List of Christian Brothers school alumni
Since 1802, the Congregation of Christian Brothers have been engaged in education throughout the world. The religious institute, founded by Blessed Edmund Rice, opened its first school on Waterford's New Street in 1802. The following is a list of alumni of Christian Brothers educational institutions.
This list does NOT contain alumni of institutions operated by the French organization, De La Salle Brothers.
The alumni are listed as follows:
- Name – occupation or significance – school
Academic
- Carlos Rodríguez Braun – Professor of History of Economic Thought at the Universidad Complutense, Madrid – Colegio Cardenal Newman, Buenos Aires
- Joseph Camilleri – Professor of International Relations, La Trobe University – St Bernard's College, Melbourne
- Greg Craven, Vice-Chancellor of the Australian Catholic University – St Kevin's College, Melbourne
- Peter Donnelly, ; mathematician; Professor of Statistical Science, University of Oxford – St Joseph's College, Gregory Terrace, Brisbane
- John Michael Dwyer, Australian doctor, professor of medicine, and public health advocate – St Patrick's College, Strathfield, Sydney
- Raimond Gaita – Renowned author and Professor of Moral Philosophy at King's College London- St Patrick's College, Ballarat, Victoria
- Bernard Heinze – Professor of Music and Director of the New South Wales State Conservatorium of Music and Australian of the Year in 1974 – St Patrick's College, Ballarat, Victoria
- Bryan Horrigan, law professor and Associate Dean at Monash University; specialist in commercial law, corporate social responsibility and government contracts – St Joseph's College, Gregory Terrace, Brisbane
- Bruce Maslin – botanist – Trinity College, Perth
- John Mattick, geneticist – St Patrick's College, Strathfield, Sydney
- Gavan McCormack, Asian languages and affairs academic – Parade College, Melbourne
- Michael K. Morgan AM, professor of Neurosurgery and Dean of Medicine, School of Advanced Medicine, Macquarie University – St Patrick's College, Strathfield, Sydney
- Gerard R. Sutton, Vice-Chancellor at the University of Wollongong 1995–2011 – St Patrick's College, Strathfield, Sydney
- Chris Tinney, professor and Associate Dean for the Faculty of Science at UNSW, where he heads the Exoplanetary Science at UNSW group within the School of Physics; former head of the Australian Astronomical Observatory – St Patrick's College, Strathfield
- John Yovich – Vice Chancellor, Murdoch University – Trinity College, Perth
- David Sylvester - President and Vice Chancellor of St. Michael's College at the University of Toronto – St Thomas More Collegiate, Burnaby, British Columbia
- Rajeev Motwani – Gödel Prize winner, former Professor of Computer Science at Stanford University – St. Columba's School, Delhi
- Siddhartha Mukherjee – Rhodes Scholar, Pulitzer Prize-winning author, Assistant Professor of Medicine at Columbia University – St. Columba's School, Delhi
- Nitin Nohria – dean of Harvard Business School – St. Columba's School, Delhi
- Ronan Fanning, professor of Modern History at University College Dublin – C.B.C. Monkstown, Dún Laoghaire, County Dublin
- John G. Hughes, physicist and university vice-chancellor National University of Ireland, Maynooth; vice-chancellor, Bangor University, Wales - St Mary's Christian Brothers' Grammar School, Belfast
- Daire Keogh, Irish Historian - Synge Street, CBS, Dublin
- Nicholas Mansergh, distinguished historian of Ireland and the British Commonwealth – The Abbey School
- Dermot Moran, philosophy professor – Oatlands College, Mount Merrion, County Dublin
- Standish James O'Grady, Irish author, journalist, and historian – The Abbey School
- Goddard Henry Orpen, Irish historian – The Abbey School
- Cillian Ryan, academic and economist – Synge Street CBS, Dublin
- John Gerald Cleary – computer science academic, entrepreneur, politician and promoter of Transcendental Meditation – St Thomas of Canterbury College, Christchurch
- Denis C. Feeney – Professor of Classics and Giger Professor of Latin at Princeton University – St Peter's College, Auckland
- Peter Robert Goddard – educator – St Peter's College, Auckland
- Anthony Gerald Lanigan – First Chancellor of the Auckland University of Technology 2000–2001; founding director and vice-Chairman, Habitat for Humanity International; Establishment Director of degree of Master of Construction Management, Auckland University of Technology; chairman of the Senate of Good Shepherd College – St Peter's College, Auckland
- Constant Mews – Professor of Medieval Thought and director, Centre for Studies in Religion and Theology, Monash University, Melbourne; discovered and published the original letters exchanged between Peter Abelard and Héloïse – St Peter's College, Auckland
- Rory Sweetman – New Zealand historian, specialising especially in Irish history and the history of the New Zealand Catholic church – St Peter's College, Auckland
- Tony Watkins DipTP, FNZIA, RIBA – architect, planner, and urban designer, author; lecturer at the University of Auckland in Vernacular Architecture – St Peter's College, Auckland
- Thomas Bartlett, university professor, historian – St Mary's Christian Brothers' Grammar School, Belfast
- Art Cosgrove, Irish historian, writer; Chancellor, University College Dublin – Abbey Christian Brothers' Grammar School, Newry, County Down, Northern Ireland
- Denis Donoghue, Irish writer; Henry James Chair of English and American Letters at New York University – Abbey Christian Brothers' Grammar School, Newry, County Down, Northern Ireland
- Vincent Gillespie, J. R. R. Tolkien Professor of English Literature and Language since 2004 at the University of Oxford – St Edward's College, Liverpool
- John G. Hughes, physicist and university vice-chancellor National University of Ireland, Maynooth; vice-chancellor, Bangor University, Wales – St Mary's Christian Brothers' Grammar School, Belfast
- Dennis Kavanagh, Professor of Politics from 1996 to 2006 at the University of Liverpool – St Anselm's College, Birkenhead, Liverpool
- John Kerrigan, Professor of English since 2001 at the University of Cambridge – St Edward's College, Liverpool
- Paddy Nixon FBCS FRSA, Vice-Chancellor since 2015 of Ulster University – St Anselm's College, Birkenhead, Liverpool
- Peter Nolan CBE, Sinyi Professor of Chinese Management since 1997 at the Judge Business School, University of Cambridge – St Boniface's Catholic College, Plymouth, Devon
- Paul Preston CBE, Professor of International History since 1991 at the London School of Economics – St Edward's College, Liverpool
- Christopher J. Schofield FRS, chemist, Head of Organic Chemistry since 2011 at the University of Oxford and Fellow of Hertford College, Oxford – St Anselm's College, Birkenhead, Liverpool
- Regis J. Armstrong, OFM Cap. – Catholic University of America professor, St. Francis of Assisi and St. Clare of Assisi expert – Iona College, New Rochelle, New York
- James J. McGovern – former President of A.T. Still University – Iona College, New Rochelle, New York
- Leo J. O'Donovan, SJ – President of Georgetown University – Iona Preparatory School, New Rochelle, New York
- Kevin Waters, SJ – Jesuit priest, composer, academic administrator, retired Academic Dean of the College of Arts and Sciences at Gonzaga University – O'Dea High School, King County, Washington
Acting/performing
- Anthony Ackroyd – comedian and writer – St Virgil's College, Hobart, Tasmania
- Mig Ayesa, actor, notable work includes "Joe" the landlord on ABC children's serial The Ferals – St Patrick's College, Strathfield, Sydney
- Paul Burns – actor and dancer; The Great Gatsby and Dance Academy – St Joseph's College, Gregory Terrace, Brisbane
- Michael Caton – actor – St Joseph's College, Gregory Terrace, Brisbane
- Gerry Connolly, comedian, entertainer – St Brendan's College, Yeppoon, Queensland
- Paul Cronin, actor, The Sullivans – Rostrevor College, Adelaide
- Jacob Elordi, actor –St. Joseph's Nudgee College, Brisbane and St Kevin's College, Melbourne
- Bernard Fanning – lead singer of Powderfinger – St Joseph's College, Gregory Terrace, Brisbane
- Bobby Flynn – finalist on 2006 Australian Idol – St Joseph's College, Gregory Terrace, Brisbane
- Ryan Kwanten – film and television actor – St Paul's College, Manly, Sydney
- Mel Gibson, American actor and filmmaker – St Leo's Catholic College, Wahroonga, Sydney
- Jason Gilkison – ballroom dancer and choreographer – Trinity College, Perth* Osher Günsberg – television, host of The Bachelor and The Bachelorette – St Joseph's College, Gregory Terrace, Brisbane
- Anthony LaPaglia, actor – Rostrevor College, Adelaide
- Jonathan LaPaglia, physician and actor – Rostrevor College, Adelaide
- Ben Lawson – actor on Neighbours – St Joseph's College, Gregory Terrace, Brisbane
- Josh Lawson – actor and comedian – St Joseph's College, Gregory Terrace, Adelaide
- Justin Melvey, television actor – Waverley College, Sydney
- Toby Leonard Moore – actor – St Virgil's College, Hobart, Tasmania
- Matthew Nable – film and television actor, author, and former NRL player – St Paul's College, Manly, Sydney
- Mark Priestley – actor – Aquinas College, Perth
- Benedict Samuel – Actor – Christian Brothers College, Adelaide
- Xavier Samuel – Actor – Christian Brothers College, Adelaide and Rostrevor College, Adelaide
- Brett Sheehy AO artistic director, theatre producer and arts festival curator; CEO of the Melbourne Theatre Company – St Joseph's College, Gregory Terrace, Brisbane
- Rob Shehadie, Australian film and television actor whose notable works include the television show Pizza, Here Come the Habibs and Housos – St Patrick's College, Strathfield, Sydney
- Rob Sitch, director, producer, screenwriter and actor – St Kevin's College, Melbourne
- Murali K. Thalluri, film director, writer, and producer – Rostrevor College, Adelaide
- Simon Hall, a member of the popular comedy group Tripod – St Kevin's College, Melbourne
- Scott Tweedie – TV presenter – St Joseph's College, Gregory Terrace, Brisbane
- Anthony Warlow – opera and musical theatre performer – AM – Edmund Rice College, Wollongong
- David Wenham, actor – Christian Brothers' High School, Lewisham, Sydney
- A. J. Buckley – actor – St. Thomas More Collegiate, Burnaby, British Columbia
- Brett Kelly – actor – St. Thomas More Collegiate, Burnaby, British Columbia
- Merwin Mondesir – actor – Chaminade College School, Toronto
- Mukul Dev – actor – St. Columba's School, Delhi
- Rahul Dev – model, actor – St. Columba's School, Delhi
- Shah Rukh Khan – actor, producer, television personality – St. Columba's School, Delhi
- Ayushmann Khurrana – actor – St. John's High School, Chandigarh
- Arjun Mathur – actor – St. Columba's School, Delhi
- Kunal Nayyar – actor – St. Columba's School, Delhi
- Naman Shaw – actor – St. Joseph's College, Calcutta
- Arindam Sil – actor, film director and producer – St. Joseph's College, Calcutta
- Samir Tewari – film director – St. Patrick's Higher Secondary School, Asansol, Paschim Bardhaman district, West Bengal
- Tony Adams – film producer – CBS Eblana, Dún Laoghaire, Dublin
- Gabriel Byrne – actor, producer – Ardscoil Éanna, Crumlin, Dublin
- John Carney, film director – Synge Street CBS, Dublin
- Jack Cruise – Theatre actor and Comedian – St. Vincent's C.B.S, Glasnevin, Dublin
- Pádraig Cusack – Theatre Producer for the Royal National Theatre, London, Abbey Theatre and Wales Millennium Centre – Coláiste Eoin, Booterstown, County Dublin
- Donal Donnelly, actor – Synge Street CBS, Dublin
- Vincent Dowling, stage and television director – C.B.C. Monkstown, Dún Laoghaire, County Dublin
- Louis Elliman, impresario; past owner of the Gaiety Theatre and Theatre Royal – Synge Street CBS, Dublin
- Bernard Farrell, playwright and television dramatist – C.B.C. Monkstown, Dún Laoghaire, County Dublin
- Charles B. Fitzsimons, actor – Synge Street CBS, Dublin
- Aidan Gillen – Stage and Screen Actor – St. Vincent's C.B.S, Glasnevin, Dublin
- Brendan Gleeson – actor and film director – St Joseph's CBS, Fairview, Dublin
- Sean Hughes, Perrier Award-winning stand-up comedian, writer and actor – Coláiste Éanna, Ballyroan, Dublin
- David Kelly, actor – Synge Street CBS, Dublin
- David Kelly, actor – Synge Street CBS, Dublin
- Barry Keoghan – Film and TV actor – O'Connell School, Dublin
- Peter Lennon, film director – Synge Street CBS, Dublin
- Tómas MacAnna, Tony Award, Abbey Theatre director – C.B.C. Monkstown, Dún Laoghaire, County Dublin
- Fiach Mac Conghail – Director of the Abbey Theatre and Senator – Coláiste Eoin, Booterstown, County Dublin
- Patrick Mc Donnell comedian and actor; played in the sitcom Father Ted – Coláiste Rís, Dundalk, County Louth
- Jack McGowran, actor – Synge Street CBS|Synge Street CBS, Dublin
- Colm Meaney – Film and TV Actor – O'Connell School, Dublin
- John Moore film director and producer – Coláiste Rís, Dundalk, County Louth
- Eamon Morrissey, actor – Synge Street CBS, Dublin
- Edward Mulhare – actor – St Nessans/North Monastery School
- Jim Norton, actor – Synge Street CBS, Dublin
- Ciarán Ó Cofaigh – Irish director and Producer – Coláiste Eoin, Booterstown, County Dublin
- Dan O'Herlihy, Actor – C.B.C. Monkstown, Dún Laoghaire, County Dublin
- Colm Ó Maonlaí – Actor in various films and TV shows including British soap EastEnders – Coláiste Eoin, Booterstown, County Dublin
- Kieran O'Reilly, actor and musician – Synge Street CBS, Dublin
- Milo O'Shea, actor – Synge Street CBS, Dublin
- Noel Purcell, actor – Synge Street CBS, Dublin
- Glenn Quinn – Irish actor on television and film – Clonkeen College, South Dublin
- Mario Rosenstock – comedian, political satirist – Waterpark College, Waterford
- Jonathan Ryan, Actor – C.B.C. Monkstown, Dún Laoghaire, County Dublin
- Cecil Sheridan, comedian and actor – Synge Street CBS, Dublin
- Karl Spain, comedian – CBS Sexton Street, Limerick
- Barry Ward, film actor – St Declan's College, Dublin
- Cliff Curtis – international television and film star – Edmund Rice College, Rotorua
- Sam Verlinden, singer and actor – St Peter's College, Auckland
- Reid Walker – actor who stars as recurring character Harry Warner in soap opera Shortland Street – St Peter's College, Auckland
- Tony Booth, actor; the "Scouse Git" in Till Death Us Do Part; father-in-law of Tony Blair – St Mary's College, Crosby, Liverpool
- Mike Elliott – Actor, Comedian and radio show host – St Aidan's Catholic Academy, Sunderland
- John Gorman, comedian, singer, musician – St Anselm's College, Birkenhead, Liverpool
- Amy Jackson, film actress/model – St Edward's College, Liverpool
- Shaun Evans, English actor – St Edward's College, Liverpool
- Patrick Magee – Actor – St Patrick's Grammar School, Armagh
- Ray McFall, owner of The Cavern Club, who first booked The Beatles – St Mary's College, Crosby, Liverpool
- Seamus McGarvey – Cinematographer – St Patrick's Grammar School, Armagh
- Gerard McSorley, theatre, television and film actor – Christian Brothers Grammar School, Omagh
- Sean O'Connor, Executive Producer since 2016 of EastEnders, and former Editor of The Archers on BBC Radio 4 – St Anselm's College, Birkenhead, Liverpool
- Tom O'Connor, comedian and former game-show host – St Mary's College, Crosby, Liverpool
- Paul O'Grady – MBE comedian, television presenter, actor, writer and radio disc jockey – Redcourt St Anselm's, Prenton, Merseyside
- Jonjo O'Neill, actor – St Mary's Christian Brothers' Grammar School, Belfast
- Albert Sharpe, actor – St Mary's Christian Brothers' Grammar School, Belfast
- Michael Williams, actor – St Edward's College, Liverpool
- Mike Castle – actor – Brother Rice High School
- Bud Cort – actor – Iona Preparatory School, New Rochelle, New York and Iona College, New Rochelle, New York
- Frank De Lima, comedian – Damien Memorial School, Honolulu, Hawaii
- George Dzundza – actor – Cardinal Hayes High School, the Bronx, New York City
- Terry Finn – actress – Iona College, New Rochelle, New York
- JoAnna Garcia – actress – Tampa Catholic High School, Tampa, Florida
- Mel Gibson – actor, director and producer – St Leo's Catholic College, Wahroonga, Sydney
- Wil Horneff – actor – Bergen Catholic High School, Oradell, Bergen County, New Jersey
- Bruno Kirby – actor – Power Memorial Academy, New York City
- John Lavelle – actor – Monsignor Farrell High School, Oakwood, Staten Island, New York
- Kevin J. O'Connor – actor – St. Laurence High School, Burbank, Chicago
- Denis O'Hare – actor – Brother Rice High School, Bloomfield Township, Oakland County, Metro Detroit, Michigan
- Miles Orman – actor – Bergen Catholic High School, Oradell, Bergen County, New Jersey
- Regis Philbin – actor, singer, television host – Cardinal Hayes High School, the Bronx, New York City
- John C. Reilly – Oscar-nominated actor and comedian – Brother Rice High School
- Theo Rossi – actor – Monsignor Farrell High School, Oakwood, Staten Island, New York
- Channing Tatum – Actor – Tampa Catholic High School, Tampa, Florida
- Daniel Whitner – actor – Essex Catholic High School, Newark and East Orange, New Jersey
- John J. York – actor – Brother Rice High School
- Jim Zulevic – actor and comedian – Brother Rice High School
Arts and architecture
- Bruce Dellit, architect, pioneer of the Art Deco style – Waverley College, Sydney
- Peter Corrigan – architect – Christian Brothers College, St Kilda, Melbourne
- d'Arcy Doyle – Artist – St Edmund's College, Ipswich, Queensland
- Rhys Lee – Artist – St Edmund's College, Ipswich, Queensland
- Gerard Vaughan – director of the National Gallery of Australia – Christian Brothers College, St Kilda, Melbourne
- George Chakravarthi – artist – St. Columba's School, Delhi
- Patrick Collins HRHA – Painter – St. Vincent's C.B.S, Glasnevin, Dublin
- Don Conroy, artist and RTÉ Television presenter – Oatlands College, Mount Merrion, County Dublin
- Pat Liddy – Artist, historian, Author and Environmental Lobbyist – St. Vincent's C.B.S, Glasnevin, Dublin
- Dermot Morgan, comedian, star as Father Ted – Oatlands College, Mount Merrion, County Dublin
- Tony O'Malley, artist, painter – Coláiste Éamann Rís, Callan, County Kilkenny
- Patrick Swift, painter – Synge Street CBS, Dublin
- George Baloghy – painter – St Peter's College, Auckland
- Tony Mackle – MA Art History, Diploma in Archives Administration, art historian and curator, author – St Peter's College, Auckland
- Thomas Mahoney – Auckland architect – St Peter's School, Auckland
- Jack Manning – New Zealand architect, designer of AMP Building, 220 Queen St, Auckland and the Majestic Centre, Wellington and many other buildings; awarded the NZIA Gold Medal 2011 – St Peter's College, Auckland
- Ronald Fong Sang ONZM – Auckland architect, art collector, art exhibiter and publisher of New Zealand art books – St Peter's College, Auckland
- Keith Breeden, artist and creator of the cover for Pink Floyd's album The Division Bell – St Ambrose College, Greater Manchester
- Christian Furr, artist – St Anselm's College, Birkenhead, Liverpool
- Malcolm Garrett, graphic designer – St Ambrose College, Greater Manchester
- Pete Lyon, computer graphics games design pioneer – St Mary's College, Crosby, Liverpool
- Ciarán Mackel, architect – St Mary's Christian Brothers' Grammar School, Belfast
- Peter Saville, graphic designer – St Ambrose College, Greater Manchester
- Michael Flatley – Irish step dancer, producer, choreographer – Brother Rice High School
- Christian Picciolini – four time Emmy-nominated television producer and director, peace advocate, author, business executive – Brother Rice High School
- Antonio Broccoli Porto – artist – Iona College, New Rochelle, New York
- Alex Raymond – creator of Flash Gordon comic strip – Iona Preparatory School, New Rochelle, New York
- Roger Steffens – actor, author, lecturer, editor, reggae archivist, photographer, producer – Bergen Catholic High School, Oradell, Bergen County, New Jersey
Business
- Carlos Miguens Bemberg – businessman – Colegio Cardenal Newman, Buenos Aires
- Francisco de Narváez Steuer impresario and politician; srom 2007 to 2017 he was involved with television and multi-media companies; Deputy in the House of Deputies of the National Congress of Argentina for the province of Buenos Aires between 2005 and 2015 – Colegio Cardenal Newman, Buenos Aires
- Warren Anderson – speculative investor – Trinity College, Perth
- Glen Bartlett – Melbourne Football Club President – Trinity College, Perth
- John A. Bryant – President & CEO of the Kellogg's Corporation and Director of Macy's, Inc. – St Edmund's College, Canberra
- Tim Bishop – CEO and President of Macquarie Capital – St Joseph's College, Nudgee, Brisbane
- Michael Chaney – Chairman of Woodside Energy and Wesfarmers – Aquinas College, Perth
- Greg Coffey, a London hedge fund manager known as the "Wizard of Oz". Worth roughly US$734 million – St Patrick's College, Strathfield, Sydney
- Michael Edgley – managing director Edgley International – Christian Brothers College, Perth
- Trevor James Flugge farmer and businessman; former chair of the Australian Wheat Board – Aquinas College, Perth
- Paul Gardner – former Chairman of Grey Global; Chairman of Melbourne Football Club – Christian Brothers College, St Kilda, Melbourne
- John Hughes – Perth businessman – Christian Brothers College, Fremantle, Western Australia
- David Kilcullen, strategist and counterinsurgency expert – St Pius X College, Chatswood, Sydney
- Troy Mercanti – notorious co-founder Finks motorcycle club, Perth Chapter – Trinity College, Perth
- Paul McGinness DFC DCM – Ace World War I fighter pilot and noted aviator; founder of Qantas – St Patrick's College, Ballarat, Victoria
- Brian McNamee – CEO of CSL Limited – St Bernard's College, Melbourne
- Peter O'Meara, former CEO of the Western Force rugby union team – St Laurence's College, Brisbane
- Peter Reilly – founder of the Ausdoc Company – St Bernard's College, Melbourne
- Tim Bishop – CEO and President of Macquarie Capital – St Joseph's College, Nudgee, Brisbane
- Ian Rice – property developer and former president of Carlton Football Club – St Joseph's College, Nudgee, Brisbane
- Phil Salter co-founder of Salmat '' – O'Connell School, Dublin
- Frank McCabe, former Vice President of Intel Corporation and managing director of Intel Ireland's operations – C.B.C. Monkstown, Dún Laoghaire, County Dublin
- J. P. McManus, businessman and racehorse owner – CBS Sexton Street, Limerick
- Niall Mellon, entrepreneur – Coláiste Éanna, Ballyroan, Dublin
- Willie Walsh – CEO of British Airways – Ardscoil Rís, Dublin
- Geoffrey Clatworthy – JP, MNZM, stockbroker and community activist – St Peter's College, Auckland
- Wynne Fallwell – milliner – St Peter's College, Auckland
- Michael Fay – merchant banker; co-founder/joint chief executive and director of Fay, Richwhite and Co Ltd; chair of the campaigns for New Zealand challenges for the America's Cup in 1987, 1988 and 1992 – St Peter's College, Auckland
- Chris, Paul and Michael Huljich – Auckland manufacturers, merchants, entrepreneurs, rentiers and philanthropists – St Peter's College, Auckland
- Kevin Malloy – international chief executive, Starcom MediaVest Group – St Peter's College, Auckland
- Joe Moodabe, Royce Moodabe, and Michael Moodabe – operators of the large cinema chain Amalgamated Theatres, and other cinema enterprises – St Peter's College, Auckland
- Patrick James Sheahan – Auckland publican, publisher and sportsman – St Peter's College, Auckland
- Andrew Todd – leading New Zealand businessman – Christian Brothers School, Dunedin
- Bryan Todd – leading New Zealand businessman – Christian Brothers School, Dunedin
- Terry Leahy, CEO of Tesco retail chain – St Edward's College, Liverpool
- Kevin Morley, businessman and former MD of Rover Group – St Mary's College, Crosby, Liverpool
- Frank Abagnale – security consultant; perpetrator of bank fraud in the late 1960s – Iona Preparatory School, New Rochelle, New York
- Laurence Boschetto – President and CEO of FCB – Iona College, New Rochelle, New York
- Ron Bruder – entrepreneur, Middle East youth education activist – Iona College, New Rochelle, New York
- Louis R. Cappelli – real estate developer – Iona Preparatory School, New Rochelle, New York
- Ellis Cousens – Vice President, CFO and COO of John Wiley & Sons – Iona College, New Rochelle, New York
- John Crowley – biotech executive – Bergen Catholic High School, Oradell, Bergen County, New Jersey
- Randy Falco – President and CEO of Univision Communications, former chairman and CEO of AOL – Iona College, New Rochelle, New York
- Tom Fanoe – President and COO of Joe Boxer – Palma School, Salinas, California
- Jorge Gonzales – CEO and President of City National Bank of Florida – Archbishop Curley-Notre Dame High School, Buena Vista, Miami
- Robert Greifeld – President and CEO of NASDAQ – Iona College, New Rochelle, New York
- Mark Hurd – Co-CEO Oracle; former Chairman, CEO and President of Hewlett-Packard – Archbishop Curley-Notre Dame High School, Buena Vista, Miami, Florida
- James P. Hynes – founder of COLT Group – Iona College, New Rochelle, New York
- Catherine R. Kinney – former president and co-COO of the New York Stock Exchange – Iona College, New Rochelle, New York
- Timothy M. Manganello – CEO and Chairman of BorgWarner – Brother Rice High School, Bloomfield Township, Oakland County, Metro Detroit, Michigan
- Eugene R. McGrath – former CEO of Consolidated Edison – Iona College, New Rochelle, New York
- Andrew McKenna, Chairman Emeritus, Schwarz Supply Source, Chairman Emeritus, McDonald's Corporation – Leo Catholic High School, Auburn-Gresham, Chicago
- Alvaro de Molina – former Bank of America CFO – Bergen Catholic High School, Oradell, Bergen County, New Jersey
- Tommy Mottola – music executive – Iona Preparatory School, New Rochelle, New York
- Thomas Murphy – former chairman, CEO, and Director of General Motors – Leo Catholic High School, Auburn-Gresham, Chicago
- David Portnoy – internet mogul, Barstool Sports founder – Catholic Memorial School, West Roxbury, Massachusetts
- John Rakolta – political activist, Chairman and CEO of Walbridge – Brother Rice High School, Bloomfield Township, Oakland County, Metro Detroit, Michigan
- Peter Scanlon – former chairman and CEO of PricewaterhouseCoopers – Iona College, New Rochelle, New York
- John Sweeney – labor leader, former AFL–CIO President, 2010 Presidential Medal of Freedom recipient – Cardinal Hayes High School, the Bronx, New York City and Iona College, New Rochelle, New York
- Andy Unanue – former COO of Goya Foods – Bergen Catholic High School, Oradell, Bergen County, New Jersey
- John Zaccaro – real estate developer and owner of P. Zaccaro & Company – Iona College, New Rochelle, New York
Humanitarian
- John O'Shea, founder and CEO of international humanitarian organization GOAL – C.B.C. Monkstown, Dún Laoghaire, County Dublin
- Shay Cullen, priest; humanitarian; founder of the Preda Foundation – C.B.C. Monkstown, Dún Laoghaire, County Dublin
- Felix Donnelly – priest of the Diocese of Auckland, ordained in 1954; writer of non-fiction, novelist, academic, broadcaster, counsellor and founder of Youthline – St Peter's College, Auckland
- Anthony Gerald Lanigan – First Chancellor of the Auckland University of Technology 2000–2001; founding director and vice-Chairman, Habitat for Humanity International; Establishment Director of degree of Master of Construction Management, Auckland University of Technology; chairman of the Senate of Good Shepherd College – St Peter's College, Auckland
- John Robert McKinnon, Ophthalmologist; mountaineer; and the first volunteer doctor at Kunde Hospital – St Kevin's College, Oamaru
Law
- Jeremy Allanson – Justice of the Supreme Court of Western Australia – Trinity College, Perth
- Bernard Bongiorno AO – Supreme Court Judge – St Joseph's College, Geelong, Victoria
- John Chaney – Justice of the Supreme Court of Western Australia – Aquinas College, Perth
- Henry Cosgrove AM – Judge of the Supreme Court of Tasmania – St Virgil's College, Hobart, Tasmania
- Paul Finn, Judge of the Federal Court of Australia – St Laurence's College, Brisbane
- Tony Fitzgerald Judge; former President of the Queensland Court of Appeal; chaired Queensland's anti-corruption Inquiry in the late 1980s Fitzgerald Inquiry and several other Inquiries – St Patrick's College, Shorncliffe, Brisbane
- Justin Gleeson former Solicitor General of Australia - St Patrick's College, Strathfield
- Michael Grove, a Judge of the Supreme Court of New South Wales – Christian Brothers' High School, Lewisham, Sydney
- Eric Heenan – Justice of the Supreme Court of Western Australia – Aquinas College, Perth
- Terence Higgins AO – Former Chief Justice of the Supreme Court of the Australian Capital Territory – St Edmund's College, Canberra and St. Augustine's College, Yarraville, Victoria
- Rene Le Miere – Justice of the Supreme Court of Western Australia – Aquinas College, Perth
- Patrick Keane – Justice of the High Court of Australia 5 March 2013 – present; Formerly Chief Justice of the Federal Court of Australia – St Joseph's College, Gregory Terrace, Brisbane
- Hugh Denis Macrossan – State MLA, 1912–1915 and Chief Justice of Queensland, 1940 – St Joseph's College, Nudgee, Brisbane
- John Murtagh Macrossan, 16th Chief Justice of Queensland – St Columban's College, Caboolture, Queensland
- Neal William Macrossan, Chief Justice of the Queensland – St Joseph's College, Nudgee, Brisbane
- John Muir- Justice of Appeal, Supreme Court of Queensland – St Joseph's College, Nudgee, Brisbane
- Barry O'Keefe – judge in the Supreme Court of New South Wales and commissioner of the NSW Independent Commission Against Corruption – Waverley College, Sydney
- Joseph Sheehy KBE – Senior Puisne Judge of the Queensland Supreme Court and Administrator of the State of Queensland – St Joseph's College, Gregory Terrace, Brisbane
- Jeffrey Spender, Judge of the Federal Court of Australia and Queen's Counsel – St Laurence's College, Brisbane
- Charles Sweeney,, a Federal Court Judge – St Kevin's College, Melbourne
- Dhananjaya Y. Chandrachud – Judge, Supreme Court of India, Former Chief Justice of the Allahabad High Court, Former Justice of the Bombay High Court – St. Columba's School, Delhi
- Kapil Sibal – Senior Advocate, Supreme Court of India, Former Law Minister, India – St. John's High School, Chandigarh
- Rory Brady, former Attorney General of Ireland – Synge Street CBS, Dublin
- Frank Clarke; 12th Chief Justice of Ireland – Drimnagh Castle Secondary School, Dublin
- Cahir Davitt, former President of the High Court – C.B.C. Monkstown, Dún Laoghaire, County Dublin
- Joseph Finnegan, Judge – Synge Street CBS, Dublin
- John Hearne –, lawyer and diplomat; chief architect of the Constitution of Ireland – – Waterpark College, Waterford
- Liam Lysaght, chief state solicitor and President of the Leinster Branch of IRFU – Synge Street CBS, Dublin
- Niall McCarthy, former Judge of the Irish Supreme Court – C.B.C. Monkstown, Dún Laoghaire, County Dublin
- Aindrias Ó Caoimh, Judge of the High Court – Synge Street CBS, Dublin
- Brian Blacktop – solicitor; spent entire 48-year career in the public trust, Assistant Public Trustee ; Deputy Public Trustee – St Peter's College, Auckland
- John Callan – Justice of the New Zealand Supreme Court 1935–1951 – Christian Brothers School, Dunedin
- Dr Andrew Dallas – author, barrister and solicitor, solicitor, Chief of the Employment Relations Authority St Thomas of Canterbury College, Christchurch
- Pat Downey – barrister and solicitor, Human Rights Commissioner, legal editor – St Peter's College, Auckland
- Garth Harris – tax lawyer – St Peter's College, Auckland
- Richard Kearney – District Court Judge, Auckland; member of the Waitangi Tribunal – St Peter's College, Auckland
- Robert William Kee – barrister, appointed Director of Human Rights Proceedings on 15 October 2012 – St Peter's College, Auckland
- Michael Kruse – Chief Justice of American Samoa 1987–present – St Peter's College, Auckland
- Anthony Molloy – lawyer, tax and trust law expert, author, editor, winegrower – St Peter's College, Auckland
- Charles Thomas Outhwaite – Auckland sportsman and lawyer – St Peter's School, Auckland
- William Eugene Outhwaite – writer, poet, sportsman, sports enthusiast, critic and lawyer – St Peter's School, Auckland
- Jonathan Temm – barrister, Rotorua, President of the New Zealand Law Society – St Peter's College, Auckland
- Gordon Whiting – Judge of the Environment Court of New Zealand – St Kevin's College, Oamaru
- Yvonne Mokgoro, Constitutional Court judge – St. Boniface High School
- Joe Brolly – Derry Barrister, journalist, Gaelic footballer – St Patrick's Grammar School, Armagh
- Francis Hanna, lawyer and politician – St Mary's Christian Brothers' Grammar School, Belfast
- Richard McLaughlin, High court judge – St Mary's Christian Brothers' Grammar School, Belfast
- Jim McDonald, Chief Officer of the Labour Relations Agency; Independent Assessor of the Military Complaints Procedures in Northern Ireland; Member of the Police Authority and Trustee of the RUC GC Museum; first Chairman of the RUC George Cross FoundatSt Mary's Christian Brothers' Grammar School, Belfast
- Pat Finucane, Human rights lawyer – St Mary's Christian Brothers' Grammar School, Belfast
- John F. Larkin, attorney general of Northern Ireland – St Mary's Christian Brothers' Grammar School, Belfast
- Donal O'Donnell, judge, Supreme Court of Ireland – St Mary's Christian Brothers' Grammar School, Belfast
- Cecilia Altonaga – United States District Court Judge – Archbishop Curley-Notre Dame High School, Buena Vista, Miami
- Daniel F. Conley – District Attorney for Suffolk County, Massachusetts – Catholic Memorial School, Boston
- Thomas R. Fitzgerald – former Chief Justice of the Illinois Supreme Court – Leo Catholic High School, Auburn-Gresham, Chicago
- Philip S. Gutierrez – federal judge – Cantwell High School, Montebello, California
- Anthony T. Kane – former New York Supreme Court Justice – Iona College, New Rochelle, New York
- David M. Lawson – federal judge – Brother Rice High School, Bloomfield Township, Oakland County, Metro Detroit, Michigan
- Andrew C. McCarthy – former federal judge, columnist – Cardinal Hayes High School, the Bronx, New York City
- Ross Mirkarimi – San Francisco Sheriff – Bishop Hendricken High School, Warwick, Rhode Island
- Brian Morris – federal judge, former Montana Supreme Court Justice – Butte Central Catholic High School, Butte, Montana
Literature
- Chris Allen – author – Trinity College, Perth
- John Birmingham – Author – St Edmund's College, Ipswich, Queensland
- Ronald Conway – psychologist and author of The Great Australian Stupor- St Joseph's Technical School, Abbotsford, Melbourne Victoria and Christian Brothers College, Adelaide
- Luke Davies, – St Leo's Catholic College, Wahroonga, Sydney
- Joel Deane, novelist and poet, political speech writer – St Kevin's College, Melbourne
- C. J. Dennis – writer, poet – Christian Brothers College, Adelaide
- James Foley – writer and illustrator Christian Brothers College, Fremantle, Western Australia
- Murray Foy, actor and theatre director – St Laurence's College, Brisbane
- Patrick Hartigan, priest and poet, whose poems were collected in a book, and later filmed, under the title of Around the Boree Log, published under the pseudonym John O'Brien – St Patrick's College, Goulburn, New South Wales
- Daniel Keene – playwright – Christian Brothers College, St Kilda, Melbourne
- Thomas Keneally – Novelist, playwright, Essayist – St Patrick's College, Strathfield, Sydney
- Greg Kerr, author and writer – St Kevin's College, Melbourne
- Gerard Lee, Australian novelist, screenwriter and director – St Laurence's College, Brisbane
- Tom Lewis – author, military historian and naval officer – St Virgil's College, Hobart, Tasmania
- Shane Maloney – novelist – Christian Brothers College, St Kilda, Melbourne
- Brian Mannix – Singer, musician, actor, director, author – St Bernard's College, Melbourne
- John McKellar, playwright and social satirist – Waverley College, Sydney
- Tommy Murphy – Award-winning play writer – St Edmund's College, Canberra
- Barry Oakley – writer and former Literary Editor of the Australian – Christian Brothers College, Adelaide
- Tom Quilty – pastoralist, philanthropist, and bush poet – St Joseph's College, Nudgee, Brisbane
- Sam Sejavka, a playwright, actor and musician – St Kevin's College, Melbourne
- Peter Skrzynecki, poet, writer and lecturer at the University of Western Sydney – St Patrick's College, Strathfield, Sydney
- Kevin Summers – actor, playwright – Christian Brothers College, Adelaide
- Morris West – novelist, playwright – Christian Brothers College, St Kilda, Melbourne
- Francis Webb, poet – St Pius X College, Chatswood, Sydney and Christian Brothers' High School, Lewisham, Sydney
- Peter Damian Williams – author and military historian – St Virgil's College, Hobart, Tasmania
- Ayan Pal – author – St. Joseph's College, Calcutta
- Mahesh Rangarajan – writer, historian – St. Columba's School, Delhi
- Sudeep Sen – poet – St. Columba's School, Delhi
- Brian Behan – writer, public speaker, lecturer, and trade unionist – Artane Industrial School, Dublin
- Brian Brennan, author and journalist – Oatlands College, Mount Merrion, County Dublin
- John Connolly, author – Synge Street CBS, Dublin
- Robert Dudley Edwards, historian – Synge Street CBS, Dublin
- Mannix Flynn – playwright, author, artist, actor – St Joseph's Industrial School, Letterfrack, County Galway
- Pearse Hutchinson, poet – Synge Street CBS, Dublin
- John Jordan, poet – Synge Street CBS, Dublin
- James Joyce, writer – O'Connell School, Dublin
- Thomas Kinsella – poet and playwright – O'Connell School, Dublin
- Colum McCann, Irish writer of literary fiction with an international reputation – Clonkeen College, South Dublin
- Hugh McFadden, poet – Synge Street CBS, Dublin
- Michael Nugent, writer – St Aidan's C.B.S.
- Brian O'Nolan, who wrote under the pseudonym Flann O'Brien, novelist, playwright and satirist – Synge Street CBS, Dublin
- James Plunkett, writer – Synge Street CBS, Dublin
- Cornelius Ryan, writer – Synge Street CBS, Dublin
- Niall Stokes, publisher of Hot Press magazine – Synge Street CBS, Dublin
- Peter Tyrrell – author – St Joseph's Industrial School, Letterfrack, County Galway
- Niall Williams author and Man Booker Prize nominee 2014 – Oatlands College, Mount Merrion, County Dublin
- Matt Elliott – writer, biographer, historian and former New Zealand comedian – St Peter's College, Auckland
- Sam Hunt – New Zealand's best-known poet – St Peter's College, Auckland
- Terry Locke – poet, anthologist, academic – St Peter's College, Auckland
- David Keith McGill – writer and publisher, journalist – St Peter's College, Auckland
- Michael Morrissey – poet and fiction writer – St Peter's College, Auckland
- John Francis Ernest Trenwith – writer, humorist and academic; Principal Lecturer, Advertising, Auckland Institute of Technology – St Peter's College, Auckland
- Mark Williams – academic, writer, critic, poet – St Peter's College, Auckland
- Stephen Baxter, author – St Edward's College, Liverpool
- Ronan Bennett, author – St Mary's Christian Brothers' Grammar School, Belfast
- Ramsey Campbell, author – St Edward's College, Liverpool
- Ciarán Carson, poet and university professor – St Mary's Christian Brothers' Grammar School, Belfast
- Seamus Finnegan, dramatist – St Mary's Christian Brothers' Grammar School, Belfast
- John Montague – Poet – St Patrick's Grammar School, Armagh
- Paul Muldoon – Poet – St Patrick's Grammar School, Armagh
- Roger McGough CBE, poet, playwright, broadcaster and children's author – St Mary's College, Crosby, Liverpool
- Nicholas Murray, biographer and novelist – St Mary's College, Crosby, Liverpool
- George Cain – writer – Iona College New Rochelle, New York
- Don DeLillo – novelist, playwright and essayist – Cardinal Hayes High School, the Bronx, New York City
- Juan Gómez-Quiñones – professor, activist, writer – Cantwell High School, Montebello, California
- Peter Leonard – author – Brother Rice High School, Bloomfield Township, Oakland County, Metro Detroit, Michigan
- Thomas Lynch – essayist, poet – Brother Rice High School, Bloomfield Township, Oakland County, Metro Detroit, Michigan
- William Martin – writer – Catholic Memorial School, West Roxbury, Massachusetts
- Joe Meno – writer – Brother Rice High School
- George Pérez – comic book creator – Cardinal Hayes High School, the Bronx, New York City
- John R. Powers – writer – Brother Rice High School
- Donald Spoto – writer, theologian – Iona Preparatory School and Iona College, New Rochelle New York
- Thomas Sugrue – author, historian – Brother Rice High School, Bloomfield Township, Oakland County, Metro Detroit, Michigan
- Daniel Tobin – poet, 2009 Guggenheim Fellow – Iona College, New Rochelle, New York
- John Evangelist Walsh – writer, editor, historian – Power Memorial Academy, New York City
- Graham Boynton – writer, journalist – Christian Brothers College, Bulawayo
- Alexander McCall Smith – writer – Christian Brothers College, Bulawayo
Media
- Mark Beretta – Journalist – St Joseph's College, Geelong, Victoria
- Paul Bongiorno – Chief political reporter with the Ten Network – St Patrick's College, Ballarat, Victoria
- Scott Cam, TV personality with the Nine Network – Waverley College, Sydney
- Kevin Crease – Channel Nine News anchor – Christian Brothers College, Adelaide
- – Broadcaster at Sunshine Coast radio station Mix 92.7 – St Edward's College, East Gosford, New South Wales
- Mark Davis, journalist – St Kevin's College, Melbourne
- Matt Doran, journalist for Seven Network – St Kevin's College, Melbourne
- Sam de Brito, journalist and blogger for The Sydney Morning Herald – Waverley college, Sydney
- Gordon Elliott, journalist and producer – Christian Brothers' High School, Lewisham, Sydney
- Ben Fordham, journalist and broadcaster, Nine Network and 2GB – St Pius X College, Chatswood, Sydney
- Costa Georgiadis, television host for ABC TV Gardening Australia – Waverley College, Sydney
- Mel Gibson, American actor and filmmaker – St Leo's Catholic College, Wahroonga, Sydney
- Geoff "Jeff" Hook – Cartoonist – St Virgil's College, Hobart, Tasmania
- John-Paul Jory – Television actor in Australia's iconic series Home and Away, and star of 2005 Cannes Film Festival short film finalist, Alone – St Edmund's College, Canberra
- Francis Leach – Australian radio personality & sports commentator – St Bernard's College, Melbourne
- Matthew Le Nevez – Television actor – St Edmund's College, Canberra
- Paul Lockyer – reporter of news – Aquinas College, Perth
- Baz Luhrmann, film and theatre director, screenwriter, producer, and record producer – St Paul's College, Manly, Sydney
- Robert Luketic – film director – Christian Brothers College, Burwood, Sydney
- Richard Marsland – Radio and television host – Christian Brothers College, Adelaide
- Eddie McGuire – Australian television personality, former CEO Nine Network – Christian Brothers College, St Kilda, Melbourne
- Jason Morrison broadcaster and journalist – St Leo's Catholic College, Wahroonga, Sydney
- Kerry O'Brien, television news journalist and presenter – St Laurence's College, Brisbane
- Morgan Ogg, a journalist/political adviser – St Edward's College, East Gosford, New South Wales
- Damien Parer, war photographer; cinematographer – St Kevin's College, Melbourne
- Steve Pizzati, Top Gear Australia host and motoring commentator – St Kevin's College, Melbourne
- Mark Readings – STW Channel 9 sports presenter, radio sports commentator, 2003 Logie award for best news coverage of Bali Bombings – Trinity College, Perth
- Alan Reid – political journalist – St Patrick's College, Goulburn, New South Wales and Waverley College, Sydney
- Don Sharp – film director – St Virgil's College, Hobart, Tasmania
- Leo Schofield , journalist and food critic – Christian Brothers' High School, Lewisham, Sydney
- Greg Sheridan, foreign affairs editor, The Australian newspaper – St Pius X College, Chatswood, Sydney
- Flip Simmons – Theatre actor and singer – St Edmund's College, Canberra
- Daryl Somers – OAM, television personality – Christian Brothers College, St Kilda, Melbourne
- Ross Symonds, former news presenter for Seven Network in Sydney – St Laurence's College, Brisbane
- Peter Thompson, ABC TV presenter – St Pius X College, Chatswood, Sydney
- E W Tipping, journalist – St Kevin's College, Melbourne
- Paul Verhoeven – broadcaster, writer, blogger and comedian – St Paul's College, Manly, Sydney
- Hamlet Bareh – writer, historian, film director, Padma Shri award recipient – St. Edmund's College, Shillong, Meghalaya
- Derek Bose – film critic – St. Columba's School, Delhi
- Raj Kamal Jha – newspaper editor, author – St. Joseph's College, Calcutta
- Vinil Mathew – film director – St. Columba's School, Delhi
- Anubhav Srivastava – film director – St. Columba's School, Delhi
- Samir Tewari – film director St. Patrick's Higher Secondary School, Asansol, Paschim Bardhaman district, West Bengal
- Eamonn Andrews, television presenter, Synge Street CBS, Dublin
- Mark Brennock, former Chief Political Correspondent of The Irish Times – C.B.C. Monkstown, Dún Laoghaire, County Dublin
- Gay Byrne, television and radio presenter, Synge Street CBS, Dublin
- Stephen Byrne – presenter – Clonkeen College, South Dublin
- Mark Cagney – television and radio presenter – Christian Brothers College, Cork
- Jim Carney : Journalist, presenter and poet – St. Patrick's College, Tuam
- Michael Carwood, Irish press journalist – Oatlands College, Mount Merrion, County Dublin
- Ronan Collins – RTÉ Broadcaster – St. Vincent's C.B.S, Glasnevin, Dublin
- Stephen Collins, political editor of the Irish Times – Oatlands College, Mount Merrion, County Dublin
- Don Conroy, artist and RTÉ Television presenter – Oatlands College, Mount Merrion, County Dublin
- Tim Pat Coogan, former editor of the Irish Press and historian – C.B.C. Monkstown, Dún Laoghaire, County Dublin
- Patrick Cosgrave – Journalist and Writer – St. Vincent's C.B.S, Glasnevin, Dublin
- Vincent Doyle – Journalist and Editor of The Evening Herald and The Irish Independent – St. Vincent's C.B.S, Glasnevin, Dublin
- Colm Hayes, Irish radio broadcaster and television presenter; former weekend breakfast presenter on RTE 2FM – St Aidan's C.B.S.
- Pat Kenny – Radio & TV presenter – O'Connell School, Dublin
- Shane Kenny, journalist and broadcaster – C.B.C. Monkstown, Dún Laoghaire, County Dublin
- George Lee, correspondent for Raidió Teilifís Éireann – Coláiste Éanna, Ballyroan, Dublin
- Frank McDonald – Environment Editor of The Irish Times – St. Vincent's C.B.S, Glasnevin, Dublin
- Mike Murphy, broadcaster – Synge Street CBS, Dublin
- Jim Nugent, Irish national radio RTÉ 2fm and RTÉ television presenter – C.B.C. Monkstown, Dún Laoghaire, County Dublin
- Dara Ó Briain – Stand-up Comedian and Television Presenter – Coláiste Eoin, Booterstown, County Dublin
- Donal Óg Cusack, TV presenter with RTÉ; former inter-county hurler – Midleton CBS Secondary School
- Dermot O'Neill, gardener and broadcaster – C.B.C. Monkstown, Dún Laoghaire, County Dublin
- Rick O'Shea, radio personality; a presenter on RTÉ 2fm) – Drimnagh Castle Secondary School, Dublin
- Rossa Ó Snodaigh – Kíla multi instrumentalist, composer for theatre and dance, author, producer and director of radió drama, TV presenter – Coláiste Eoin, Booterstown, County Dublin
- John Ryan, publisher, editor of Magill, war correspondent – C.B.C. Monkstown, Dún Laoghaire, County Dublin
- Pat Brittenden – radio broadcaster – St Peter's College, Auckland
- Simon Dallow – New Zealand television presenter and lawyer – Liston College, Henderson, Auckland and St Peter's College, Auckland
- Clinton Roberts – New Zealand radio personality, currently airing on The Edge FM – John Paul College, Rotorua
- Martin van Beynen – Senior Journalist and columnist on The Press – St Peter's College, Auckland
- Ray Waru – New Zealand television producer and director – St Peter's College, Auckland
- Joe Ainsworth, scriptwriter; BAFTA winner – St Mary's College, Crosby, Liverpool
- Tom Coyne – Broadcaster – St Aidan's Catholic Academy, Sunderland
- David Crystal OBE, broadcaster and professor of linguistics – St Mary's College, Crosby, Liverpool
- James Dougall, journalist – St Mary's Christian Brothers' Grammar School, Belfast
- John Foley MBE, military author and broadcaster – St Mary's College, Crosby, Liverpool
- Will Hanrahan, BBC TV reporter – St Mary's College, Crosby, Liverpool
- Danny Kelly, BBC radio presenter – St Mary's College, Crosby, Liverpool
- Phil Kelly, journalist and former editor of Tribune; mayor of Islington – St Mary's College, Crosby, Liverpool
- David Nolan, television producer and author, specialising in music and popular culture biographies – St Ambrose College, Greater Manchester
- Paul O'Grady – MBE comedian, television presenter, actor, writer and radio disc jockey – Redcourt St Anselm's, Prenton, Merseyside
- Eunan O'Neill, Television presenter – Abbey Christian Brothers' Grammar School, Newry, County Down, Northern Ireland
- Peter Stanford, writer and journalist, Editor from 1988 to 1992 of The Catholic Herald – St Anselm's College, Birkenhead, Liverpool
- Chris Steele – Television Doctor – St Aidan's Catholic Academy, Sunderland
- Laurie Taylor, broadcaster and sociologist – St Mary's College, Crosby, Liverpool
- Steve Adubato – author, Emmy-winning news anchor, motivational speaker and former New Jersey State Senator – Essex Catholic High School, Newark and East Orange, New Jersey
- Nick Gregory – television meteorologist – Iona Preparatory School, New Rochelle, New York
- Chris Hansen – television journalist – Brother Rice High School, Bloomfield Township, Oakland County, Metro Detroit, Michigan
- Peter Lauritson – television producer and director, Star Trek – Palma School, Salinas, California
- Bernard McGuirk – radio and television host – Cardinal Hayes High School, the Bronx, New York City
- Bill Reilly – publishing and media executive, founder and former Chairman of Primedia – Iona Preparatory School, New Rochelle, New York
- John C. Reilly – Oscar-nominated actor and comedian – Brother Rice High School
- Martin Scorsese – director, producer, screenwriter – Cardinal Hayes High School, the Bronx, New York City
- William J. Taverner – sex educator, editor of the American Journal of Sexuality Education– Monsignor Farrell High School, Oakwood, Staten Island, New York
- Jeff Vintar – screenwriter – St. Laurence High School, Burbank, Chicago
- Roberto Canessa – political figure ; one of 16 survivors of Andes air accident in 1972 – Stella Maris College
- Nando Parrado – Entrepreneur, TV presenter, motivational speaker, writer; one of 16 survivors of Andes air accident in 1972 – Stella Maris College
- Carlos Páez Rodríguez – Entrepreneur, TV presenter, motivational speaker, writer; one of 16 survivors of Andes air accident in 1972 – Stella Maris College
Sports media
- Mitch Cleary – Sports reporter, Channel 9 – St Joseph's College, Geelong, Victoria
- George Grljusich – football commentator – Christian Brothers College, Fremantle, Western Australia
- Robert Grasso, Head of Sport SBS World News – Waverley College, Sydney
- Peter Larkins – Sports Doctor and Presenter on The Sunday Footy Show – St Joseph's College, Geelong, Victoria
- Noel Andrews, RTÉ boxing commentator, Synge Street CBS, Dublin
- Philip Greene – Sports Broadcaster – O'Connell School, Dublin
- Michael O'Hehir – radio broadcaster and sports commentator – O'Connell School, Dublin
- Micheál Ó Muircheartaigh, Gaelic Athletic Association Commentator – Dingle CBS, County Kerry
- Donald John Cameron – journalist and sportswriter Christian Brothers School, Dunedin and St Peter's College, Auckland
- Brian Desmond O'Flaherty – New Zealand horse-racing and equestrian journalist, television equestrian sports commentator and equestrian sports administrator; Executive Director of the NZ Thoroughbred Breeders' Association – St Peter's College, Auckland
- Brad Galli – sports reporter – Brother Rice High School, Bloomfield Township, Oakland County, Metro Detroit, Michigan
- Paul Ladewski – sportswriter, journalist – St. Laurence High School, Burbank, Chicago
- Bill Madden – sportswriter, writer – Bergen Catholic High School, Oradell, Bergen County, New Jersey
- Pierre McGuire – sports analyst – Bergen Catholic High School, Oradell, Bergen County, New Jersey
- Bob Papa – sportscaster – Bergen Catholic High School, Oradell, Bergen County, New Jersey
- Pete Sheppard – sports talk radio host – Bishop Hendricken High School, Warwick, Rhode Island
Military and police
- John Stuart Baker, AC, DSM, Australian army general; Chief of the Australian Defence Force 1995–1998; and Director of the Defence Intelligence Organisation 1990–92 – Parade College, Melbourne
- Bernard Callinan CBE, DSO, MC, Commanding Officer, 20th Australian Infantry Battalion, the Pacific – Parade College, Melbourne
- John Augustine Collins KBE, CB, Vice admiral; Captain, HMAS Sydney; Commodore, HMA China Fleet – Parade College, Melbourne
- Peter Cosgrove, 26th Governor-General of Australia ; Chief of the Defence Force ; Chancellor of the Australian Catholic University – Waverley College, Sydney
- Richard Hughes – CBE, Australian foreign correspondent in Asia – Christian Brothers College, St Kilda, Melbourne
- Bede Kenny , recipient of the Victoria Cross – Waverley College, Sydney
- John Lawler AM APM – Former Deputy Commissioner of The Australian Federal Police and Former Chairman of The Australian Crime Commission – St Edmund's College, Canberra – St Edmund's College, Canberra
- John Bernard MacKey – Posthumously awarded the Commonwealth's highest honour for bravery for his gallantry in Borneo in 1945 – Christian Brothers' High School, Lewisham, Sydney
- Paul McGinness DFC DCM – Ace World War I fighter pilot and noted aviator; founder of Qantas – St Patrick's College, Ballarat, Victoria
- Andrew James Molan AO, DSC, Australian Defence College, 1st Division, 1st Brigade, 6th Battalion, Royal Australian Regiment – Parade College, Sydney
- David Morrison AO – Lieutenant General, Former Chief of Army and 2016 Australian of the Year – St Edmund's College, Canberra
- Michael Kenneth Pratt, George Cross recipient for bravery – Parade College, Sydney
- Ned Daly commandant of Dublin's 1st battalion in the Easter Rising; executed by firing squad in Kilmainham Gaol on 4 May 1916. He is remembered in the Arbour Hill Memorial Park in Dublin – CBS Sexton Street, Limerick
- Paddy Finucane, Second World War fighter pilot – Synge Street CBS, Dublin and O'Connell School, Dublin
- Sean Heuston – Leading member of the 1916 Easter Rising – O'Connell School, Dublin
- John Philip Holland, the developer of the first submarines to be commissioned by both the U.S. Navy and Royal Navy – CBS Sexton Street, Limerick and C.B.S. Secondary School Ennistymon
- William O'Callaghan, Lt-General; former UNIFIL commander – Our Lady's Secondary School, Templemore
- John O'Leary, leading Fenian; for his involvement in the Irish Republican Brotherhood he was imprisoned in England during the nineteenth century – The Abbey School
- Ernie O'Malley – Irish Nationalist and writer; Irish Republican Army officer during the Irish War of Independence and a commander of the anti-Treaty IRA during the Irish Civil War – O'Connell School, Dublin
- Graeme Dallow – law professor; Assistant Commissioner of Police – St Peter's College, Auckland
- Ross Dallow MNZM – senior member of the New Zealand Police – St Peter's College, Auckland
- Martyn Dunne CNZM – soldier, retired in 2004 as Commander Joint Forces New Zealand; in September 1999, Dunne led the New Zealand Force East Timor during New Zealand's largest deployment since World War II, and as the Senior National Officer and, with the rank of Brigadier, commanded the Dili Command, an operational formation in the International Force in East Timor, INTERFET until 2000 – St Peter's College, Auckland
- Christopher Mullane ONZM MBE Legion of Merit – retired Lieutenant Colonel of the New Zealand Army – St Peter's College, Auckland
- Cyril Laurence Siegert,, Air Vice Marshal – Chief of Air Force – St Kevin's College, Oamaru
- Frank Aiken TD, Irish Republican Army commander, Politician of the Republic of Ireland; Tánaiste and served as Minister for Defence, Minister for the Co-ordination of Defensive Measures, Minister for Finance and Minister for External Affairs – Abbey Christian Brothers' Grammar School, Newry, County Down, Northern Ireland
- Dennis Donnini VC – recipient of the Victoria Cross – St Aidan's Catholic Academy, Sunderland
- Frank McLardy – WW2 traitor, Liverpool District Secretary of the British Union of Fascists; founder member of the Waffen-SS British Free Corps; later served as SS-Unterscharführer in the Waffen-SS Medical Corps – St Mary's College, Crosby, Liverpool
- Geoffrey Prime, British former spy; disclosed information to the Soviet Union while working for the Royal Air Force and later for Government Communications Headquarters, a British intelligence agency, responsible for signals intelligence – St Joseph's College, Stoke-on-Trent
- Viscount Slim,Field Marshal, British Army, St Brendan's College, Brislington, Bristol
- [Patrick Henry Brady – retired United States Army major general, Medal of Honor and Distinguished Service Cross recipient – O'Dea High School, King County, Washington
- James Hickey – retired US Army colonel, leader of Operation Red Dawn, the US military effort that captured former Iraqi dictator Saddam Hussein – St. Laurence High School, Burbank, Chicago
- Tim McCarthy – former United States Secret Service agent, shot during an assassination attempt on President Ronald Reagan – Leo Catholic High School, Auburn-Gresham, Chicago
- Craig Mullaney – United States Army veteran and author – Bishop Hendricken High School, Warwick, Rhode Island
- William J. Walker, Major General United States Army, commanding general, District of Columbia National Guard – Leo Catholic High School, Auburn-Gresham, Chicago
Music
- Guillermo Carlos Cazenave, Argentine musician resident in Europe for more than three decades; also known as Guill Cazenave; an author and journalist, specialising in many different musical styles – Colegio Cardenal Newman, Buenos Aires
- Graeme Connors – Country music singer, songwriter, and performer – St Patrick's College, Mackay
- Dave Faulkner – musician, Hoodoo Gurus – Trinity College, Perth
- Ron Grainer Composer, wrote the Doctor Who theme music – St Joseph's Nudgee College, Boondall, Brisbane
- Stefan Haag OBE – Musician and director – St Joseph's Technical School, Abbotsford
- Vance Joy, singer-songwriter – St Kevin's College, Melbourne
- Paul Kelly – singer-songwriter, musician – Rostrevor College, Adelaide
- Victor McMahon, flautist, educator – St Kevin's College, Melbourne
- Brian Mannix – Singer, musician, actor, director, author – St Bernard's College, Melbourne
- Alisdair McLaren – world champion bagpipe player – Trinity College, Perth
- Tony Monopoly – Singer – Christian Brothers College, Adelaide
- Nick Murphy, singer-songwriter – St Kevin's College, Melbourne
- Pete Murray singer-songwriter – St Joseph's College, Nudgee
- Doc Neeson – Lead singer and frontman of the band The Angels – St Paul's College, Adelaide
- Johnny O'Keefe, Australian rock singer of the 1950s, 1960s and 1970s – Waverley College, Sydney
- Jeff Phillips – TV show host, personality and pop singer, 1970 Logie award for best new talent – Trinity College, Perth
- Martin Plaza, founding member, vocalist and guitarist of Mental As Anything – St Pius X College, Chatswood, Sydney
- Xavier Rudd – Folk Singer – St Joseph's College, Geelong, Victoria
- Joseph Ryan – musician, Pond – Trinity College, Perth
- Daryl Somers – television personality and musician – Christian Brothers College, St Kilda, Melbourne
- Sticky Fingers band members Paddy Cornwall and Beaker Best – St Mary's Cathedral College, Sydney
- Martin Broda – singer, musician – Chaminade College School, Toronto
- Lukas Rossi – singer – Chaminade College School, Toronto
- Palash Sen – singer – St. Columba's School, Delhi
- Robbie Brennan, musician – C.B.C. Monkstown, Dún Laoghaire, County Dublin
- Niall Breslin Irish musician ; former Westmeath Gaelic footballer and Leinster Rugby player – Coláiste Mhuire, Mullingar, County Westmeath
- David Brophy, Principal Conductor of the RTÉ Concert Orchestra – St Aidan's C.B.S.
- Gar Byrne – Drums, percussion, vocals for The Riptide Movement – Coláiste Phádraig, Lucan, County Dublin
- Dave Chambers, founder and member of The Rubberbandits, a comedy hip-hop group – Ardscoil Rís, Limerick
- Jim Corr – MBE ; Irish musician, singer and songwriter; member of the Irish folk/rock band The Corrs – Coláiste Rís, Dundalk, County Louth
- JPR Dalton – Lead guitar, writer for The Riptide Movement – Coláiste Phádraig, Lucan, County Dublin
- Ronnie Drew, singer, member of The Dubliners – CBS Eblana and C.B.C. Monkstown, Dún Laoghaire, County Dublin
- Keith Duffy – actor and musician, Boyzone – Ardscoil Rís, Dublin
- Aloys Fleischmann – composer, music professor – Christian Brothers College, Cork
- Rory Gallagher – musician – St Nessans/North Monastery School
- Dave Hingerty, musician – C.B.C. Monkstown, Dún Laoghaire, County Dublin
- Michael Holohan- composer and member of Aosdána – O'Connell School, Dublin
- Niall Horan Irish singer and songwriter; member of the boy band One Direction – Coláiste Mhuire, Mullingar, County Westmeath
- Luke Kelly – former lead singer of folk group The Dubliners – O'Connell School, Dublin
- John Keogh musician; singer and pianist – C.B.C. Monkstown, Dún Laoghaire, County Dublin
- Philip King – musician, film maker, and broadcaster – Coláiste an Spioraid Naoimh
- Bryan McMahon – drummer with Future Kings of Spain – Coláiste Phádraig, Lucan, County Dublin
- Colm Mac Con Iomaire – musician; member of The Frames, previous member of Kíla – Coláiste Eoin, Booterstown, County Dublin
- Ciaran MacMathuna, broadcaster and authority on Irish music – CBS Sexton Street
- Bob McGlynn, founder and member of The Rubberbandits, a comedy hip-hop group – Ardscoil Rís, Limerick
- David Odlum – Previous guitarist with Kíla and the Frames, now produces and records bands from studio in France – Coláiste Eoin, Booterstown, County Dublin
- Fiachna Ó Braonáin – musician; Member of The Hothouse Flowers – Coláiste Eoin, Booterstown, County Dublin
- Brendan O'Connor – RTÉ media personality, columnist, comedian and retired pop star – Coláiste an Spioraid
- Liam Ó Maonlaí – musician; Member of The Hothouse Flowers – Coláiste Eoin, Booterstown, County Dublin
- Rubyhorse – band – Coláiste an Spioraid Naoimh
- Pete St. John, Irish folk singer-songwriter – Synge Street CBS, Dublin
- Rossa Ó Snodaigh – Kíla multi instrumentalist, composer for theatre and dance, author, producer and director of radió drama, TV presenter – Coláiste Eoin, Booterstown, County Dublin
- Danny Ryan, musician – C.B.C. Monkstown, Dún Laoghaire, County Dublin
- John Spillane – folk singer – Coláiste an Spioraid Naoimh
- Davy Spillane – Uilleann pipe player and founding member of Moving Hearts – Coláiste Eoin, Booterstown, County Dublin
- Malachy Tuohy – Lead vocals, guitar, Piano, songwriter for The Riptide Movement – Coláiste Phádraig, Lucan, County Dublin
- The Saw Doctors – St. Patrick's College, Tuam
- Derek Warfield, founder of the Irish rebel music band, the Wolfe Tones – Synge Street CBS, Dublin
- Nick Afoa – tenor – St Peter's College, Auckland
- Jordan Arts – member of duo Kids of 88, programming/keyboards – St Peter's College, Auckland
- Sam McCarthy – guitarist and vocalist – St Peter's College, Auckland
- Douglas Mews – musician, academic, performer, conductor – St Peter's College, Auckland
- Peter Musson – bassoonist – St Peter's College, Auckland
- Kylie Price – New Zealand singer-songwriter Kavanagh College
- Dane Aaron Rumble – recording artist, former member of New Zealand hip hop group Fast Crew – St Peter's College, Auckland
- Sam Verlinden – singer and actor – St Peter's College, Auckland
- David Wong – musician; bass guitar player; member of the band, False Start – St Peter's College, Auckland
- Dave Balfe, keyboard player in various Liverpool bands especially The Teardrop Explodes and manager of Blur – St Anselm's College, Birkenhead, Liverpool
- Lonnie Donegan, musician/entertainer – St Ambrose College, Greater Manchester
- Dan Croll, singer-songwriter – St Joseph's College, Stoke-on-Trent
- Chris Curtis, member of the 1960s pop group The Searchers – St Mary's College, Crosby, Liverpool
- Ross MacManus, UK musician; father of Elvis Costello – St Anselm's College, Birkenhead, Liverpool
- John McNally, member of the 1960s pop group The Searchers – St Mary's College, Crosby, Liverpool
- Stormzy, grime artist – St Edward's College, Liverpool
- John West, member of the 1960s pop group The Searchers – St Mary's College, Crosby, Liverpool
- Cillian Vallely – Traditional Irish musician – St Patrick's Grammar School, Armagh
- Niall Vallely – Traditional Irish musician – St Patrick's Grammar School, Armagh
- Kevin Cronin – guitarist, singer – Brother Rice High School
- Kevin Devine – songwriter, musician– Monsignor Farrell High School, Oakwood, Staten Island, New York
- Charles Hamilton – rapper, hip hop artist – Rice High School, Manhattan, New York
- Eileen Ivers – fiddler – Iona College, New Rochelle, New York
- David Jones – folk musician, Frontier Ruckus – Brother Rice High School, Bloomfield Township, Oakland County, Metro Detroit, Michigan
- Bob Mayo – musician, keyboardist – Iona Preparatory School, New Rochelle, New York
- Mike McColgan – singer – Damien Memorial School, Honolulu, Hawaii
- Darryl McDaniels – rapper, founding member of the hip hop group Run–D.M.C. – Rice High School, Manhattan, New York
- Joey McIntyre – singer, New Kids on the Block – Catholic Memorial, West Roxbury, Massachusetts
- Don McLean – singer-songwriter – Iona Preparatory School, Iona College, New Rochelle, New York
- Matthew Milia – folk musician, Frontier Ruckus – Brother Rice High School, Bloomfield Township, Oakland County, Metro Detroit, Michigan
- Chris Peters – music producer – Brother Rice High School, Bloomfield Township, Oakland County, Metro Detroit, Michigan
- Drew Peters – music producer – Brother Rice High School, Bloomfield Township, Oakland County, Metro Detroit, Michigan
- Bobby Sanabria – drummer, percussionist, composer – Cardinal Hayes High School, the Bronx, New York City
- Betty Wright – Grammy winning Miami-based soul and R&B singer-songwriter – Archbishop Curley-Notre Dame High School, Buena Vista, Miami
- Obi Mhondera – Songwriter, producer and re-mixer – Christian Brothers College, Bulawayo
Politics, diplomacy, and public service
- Luis Andrés Caputo, economist, Minister of Public Finances of Argentina of the government of President Mauricio Macri – Colegio Cardenal Newman, Buenos Aires
- Rogelio Frigerio, economist, Minister of Interior Affairs, Public Works and Housing of Argentina appointed by President Mauricio Macri – Colegio Cardenal Newman, Buenos Aires
- Horacio Rodríguez Larreta, politician and current Head of Government of the Autonomous City of Buenos Aires – Colegio Cardenal Newman, Buenos Aires
- Mauricio Macri – President of Argentina – Colegio Cardenal Newman, Buenos Aires
- Francisco de Narváez Steuer – impresario and politician; from 2007 to 2017 he was involved with television and multi-media companies; Deputy in the House of Deputies of the National Congress of Argentina for the province of Buenos Aires – Colegio Cardenal Newman, Buenos Aires
- Alfonso Prat-Gay – Minister of the Economy of Argentina – Colegio Cardenal Newman, Buenos Aires
- Jorge Alberto Triaca Jr, economist, appointed by Mauricio Macri as Minister of Labour, Employment and Social Security of Argentina – Colegio Cardenal Newman, Buenos Aires
- Anthony Albanese – Leader of the Opposition, Australia ; former Deputy Prime Minister, Former Federal Minister and current Member of Parliament for Grayndler – St Mary's Cathedral College, Sydney
- John Aquilina – former NSW Minister and Member for Blacktown – Christian Brothers' High School, Lewisham, Sydney
- Chas Baragwanath – former Victorian Auditor General – St Bernard's College, Melbourne
- John Barilaro MP – New South Wales Member for Monaro – St Edmund's College, Canberra
- Matt Benson-Lidholm – MLC for Agricultural, Deputy President of the Legislative Council and Chairman of Committees – Trinity College, Perth
- Ron Boswell – Member of the Australian Senate ; held the title Father of the Australian Senate – St Joseph's College, Geelong, Victoria and St Joseph's College, Gregory Terrace, Brisbane
- Bill Bourke, Labor federal MP for Fawkner – St Kevin's College, Melbourne
- John Bourke, , Labor Member of the Victoria Legislative Assembly for St Kilda – St Kevin's College, Melbourne
- Ignatius Boyle – Australian politician – Christian Brothers College, Perth
- Steve Bracks – 44th Premier of Victoria – St Patrick's College, Ballarat, Victoria
- George Brandis, Attorney-General of Australia and Leader of Government in the Senate – Christian Brothers' High School, Lewisham, Sydney
- Darryl Briskey, former state Labor member for Cleveland – St Laurence's College, Brisbane
- John Brogden AM, former NSW Liberal Leader of the Opposition and former Member for Pittwater; current Chairman of Lifeline and Patron of Kookaburra Kids – St Patrick's College, Strathfield, Sydney
- John Brown AO, former Federal Member for Parramatta and Labor minister – Christian Brothers College, Burwood, Sydney and St Patrick's College, Strathfield, Sydney
- Tony Burke MP, Federal Labor Member for Watson, Shadow Minister for Environment and Water, Shadow Minister for Citizenship and Multicultural Australia, Shadow Minister for the Arts and Manager of Opposition Business and former Member of the NSW Legislative Council – St Patrick's College, Strathfield, Sydney
- Brendan Butler, AM, – chief magistrate, Magistrates Court of Queensland – St Brendan's College, Yeppoon, Queensland
- Anthony Byrne – Labor MP – Christian Brothers College, Adelaide
- Condon Byrne, former federal Labor Senator for Queensland – St Laurence's College, Brisbane
- Kevin Byrne, Mayor of Cairns 1992–1995; 2000–2008 – St Joseph's College, Nudgee, Brisbane
- Arthur Calwell – former leader of the Australian Labor Party – St Joseph's College, Melbourne
- Richard Butler – General Secretary of the International Telecommunications Union 1983–89 – St Bernard's College, Melbourne
- Michael Carmody – Australian Federal Commissioner of Taxation – St Bernard's College, Melbourne
- Vince Catania – MLA for North West Central, MLC for Mining and Pastoral – Trinity College, Perth
- John Cattalini – Mayor of Fremantle, 1984–1994 – Christian Brothers College, Fremantle, Western Australia
- Fred Chaney – former Federal Minister and Senator for WA – Christian Brothers' College, Perth
- Fred Chaney Jr – Federal Cabinet minister – Aquinas College, Perth
- Michael Cleary – former NSW Minister and Member for Coogee – Waverley College, Sydney
- Mick Clough, former NSW Labor Member for Blue Mountains and former Member for Bathurst – St Patrick's College, Strathfield, Sydney
- Peter Collins, former leader of the New South Wales Liberal Party, deputy premier and treasurer – Waverley College, Sydney
- Jack Comber, a former Labor federal MP for Bowman – St Kevin's College, Melbourne
- Barney Cooney, a former Labor Senator for Victoria – St Kevin's College, Melbourne
- Peter Cosgrove – 26th Governor-General of Australia, Chief of the Defence Force ; former Chancellor of the Australian Catholic University – Waverley College, Sydney and Christian Brothers' High School, Lewisham, Sydney
- William Cox – Governor of Tasmania – St Virgil's College, Hobart, Tasmania
- John Curtin, 14th Prime Minister of Australia – St Francis School, Lonsdale St, Melbourne
- Richard Di Natale, Leader of the Australian Greens and Senator for Victoria – Parade College, Melbourne
- Francis Patrick Donovan, − Australian Ambassador and Permanent Representative to the OECD, and Ambassador and Special Trade Delegate to the United Nations Office at Geneva; a Vice-Chairman of the International Court of Arbitration – St Joseph's College, Nudgee, Brisbane
- Steve Doszpot, politician, and Member of the ACT Legislative Assembly – Christian Brothers' High School, Lewisham, Sydney
- Reg Downing – Attorney General of NSW 1956–1965 – St Patrick's College, Goulburn – St Patrick's College, Goulburn, New South Wales
- Chris Downy - NSW State politician - NSW Minister for Sport, Recreation and Racing 1993–1995, Liberal MP for Sutherland 1988-1997 - St Patrick's College, Sutherland, New South Wales
- Bryan Doyle MP, former NSW Liberal Member for Campbelltown – St Patrick's College, Strathfield, Sydney
- Peter Durack – Attorney-General of Australia – Aquinas College, Perth
- Graham Edwards – elected to the Western Australian Legislative Council as MLC for North Metropolitan ; held ministerial portfolios in the Dowding Ministry 1987–1990, the Lawrence Ministry 1990–1993; also elected to APH for Cowan - Christian Brothers College, Perth
- Chris Ellison – Federal politician from Western Australia – First, Second, Third and Fourth Howard Ministries, Australian Senator for Western Australia – Trinity College, Perth
- Craig Emerson, former Federal Labor Member for Rankin and minister – St Patrick's College, Strathfield, Sydney
- David Fenbury – Public servant – Christian Brothers College, Perth
- Laurie Ferguson MP, former Federal Labor Member for Werriwa, former NSW Member for Granville – St Patrick's College, Strathfield, Sydney
- Martin Ferguson – former Federal Minister and Member for Batman – St Patrick's College, Strathfield, Sydney
- Frank Field, a former Labor Member for Dandenong in the Victorian Legislative Assembly and 10th Deputy Premier of Victoria – St Kevin's College, Melbourne
- Luke Foley – Leader of the Opposition in the Parliament of New South Wales – St Leo's Catholic College, Wahroonga, Sydney
- Frank Forde, 15th Prime Minister of Australia in 1945 – St Mary's College, Toowoomba, Queensland
- Joseph Peter Gardiner – Labor MP – Christian Brothers College, Adelaide
- John Gazzola – President of the Legislative Council – Christian Brothers College, Adelaide
- Justin Gleeson SC, former Solicitor-General of Australia, the Commonwealth's second-ranking law officer – St Patrick's College, Strathfield, Sydney
- James Gobbo – 25th Governor of Victoria – St Joseph's College, Melbourne
- James Griffin – Liberal Party politician; Member of the New South Wales Legislative Assembly for Manly – St Mary's Cathedral College, Sydney
- Nick Griffiths – Western Australian politician – First Gallop Ministry 2001–2005, President of the Western Australian Legislative Council, MLC for East Metropolitan – Trinity College, Perth
- James Reginald Halligan – senior public servant – Christian Brothers College, St Kilda, Melbourne
- Steve Hambleton – Australian Medical Association past President – St Joseph's College, Gregory Terrace, Brisbane
- John Hannaford – Attorney General of NSW 1992–1995 – St Patrick's College, Goulburn, New South Wales
- Dick Healey, former NSW Liberal Member for Davidson and Minister – St Patrick's College, Strathfield, Sydney
- Peter Heerey – Justice of the Federal Court of Australia – St Virgil's College, Hobart, Tasmania
- Matthew Hickey – Barrister, Queensland Bar – St Edmund's College, Ipswich, Queensland
- John Joseph Hogg ; member of the Australian Senate ; 23rd President of the Senate – St Joseph's College, Gregory Terrace, Brisbane
- Mike Horan, former state National member for Toowoomba South and Leader of the Opposition – St Laurence's College, Brisbane
- Gary Humphries, former Liberal Chief Minister of the ACT and former Senator for the ACT – St Patrick's College, Strathfield, Sydney
- Pierre Hutton – diplomat – St Virgil's College, Hobart, Tasmania
- John Hyde – Former State Member of Parliament for Perth, former Shadow Minister for Culture and the Arts; Multicultural Interests; Planning; Heritage – St Joseph's College, Geelong, Victoria
- Denis Ives AO, former Public Service Commissioner 1990–1995 – St Laurence's College, Brisbane
- George Joseph – 69th Lord Mayor of Adelaide – Christian Brothers College, Adelaide
- Patrick Keane, Justice of the High Court of Australia, formerly Chief Justice of the Federal Court of Australia St Joseph's College, Gregory Terrace, Brisbane
- Richard Keane – Trade Minister in Chifley Labour government – Christian Brothers College, St Kilda, Melbourne
- Michael Keenan – Abbott Ministry, First and Second Turnbull Ministries, MHR for Stirling – Trinity College, Perth
- Len Keogh, former federal Labor member for the Division of Bowman – St Laurence's College, Brisbane
- Joseph Lamaro – Attorney General of NSW 1931–1932 – St Patrick's College, Goulburn, New South Wales
- Craig Laundy MP, Federal Liberal Member for Reid and Minister for Small and Family Business, the Workplace and Deregulation, former Assistant Minister for Industry, Innovation and Science, former Assistant Minister for Multicultural Affairs – St Patrick's College, Strathfield, Sydney
- Ronan Lee, former Member of Parliament and Queensland Parliamentary Secretary – St Columban's College, Caboolture, Queensland
- Sean L'Estrange – Cabinet Minister, Mines & Petroleum; Finance; Small Business – Aquinas College, Perth
- Paul Lennon – 42nd Premier of Tasmania – St Virgil's College, Hobart, Tasmania
- Doug Lowe, 35th Premier of Tasmania – St Virgil's College, Hobart, Tasmania
- Tony Lupton – Cabinet Secretary, Brumby Labor Government, Victoria, from 2002– Christian Brothers College, St Kilda, Melbourne
- Paul Lynch MP, NSW Labor Member for Liverpool and Shadow Attorney General – St Patrick's College, Strathfield, Sydney
- Jim Madden – Solicitor and Member of the Queensland Legislative Assembly for Ipswich West – St Edmund's College, Ipswich, Queensland
- John Madigan – Australian Federal Senator representing Victoria and Deputy Leader of the DLP – Christian Brothers College, St Kilda, Melbourne
- John McCarthy, Australian diplomat, ambassador, High Commissioner – Waverley College, Sydney
- Jim McClelland, a former Labor Senator for New South Wales, solicitor, jurist, Minister in the Third Whitlam Ministry and Royal Commissioner – St Kevin's College, Melbourne
- Patrick McClure, civil society leader, CEO Mission Australia and Waverley College, Sydney
- Julian McDonald, cfc, a former Chancellor of Australian Catholic University – Christian Brothers' High School, Lewisham, Sydney
- Jim McGinty – Member of the Legislative Assembly for Fremantle – Christian Brothers College, Fremantle, Western Australia
- Brian McGowan, politician, a member of the New South Wales Legislative Assembly – Christian Brothers' High School, Lewisham, Sydney
- Frank McGuire – Labor Party Member of the Victorian Legislative Assembly for Broadmeadows – Christian Brothers College, St Kilda, Melbourne
- Paul McGuire – Australian Federal Minister; Ambassador to Italy; Author – Christian Brothers College, Adelaide
- Paul McLeay – former NSW Minister and Member for Heathcote – St Patrick's College, Strathfield, Sydney
- Ian McManus – Australian Labor Party member of the New South Wales Legislative Assembly and parliamentary secretary in the first two terms of the Carr Labor government – St Patrick's College, New South Wales
- Alex McTaggart – Northern Beaches Councillor, former Mayor of Pittwater and Member of Parliament for Pittwater – St Paul's College, Manly, Sydney
- Thomas Meagher – Lord Mayor of Perth – Christian Brothers College, Perth
- Frank Meere – senior public servant – Christian Brothers College, St Kilda, Melbourne
- John Mickel, former state Labor member for Logan and Speaker of the Legislative Assembly of Queensland – St Laurence's College, Brisbane
- Thomas Molloy – Former MLA and Lord Mayor of Perth – Christian Brothers College, Perth
- John Momis, President of the Autonomous Region of Bougainville – St Brendan's College, Yeppoon, Queensland
- Terry Moran AC, Secretary of the Department of Prime Minister and Cabinet – Parade College, Melbourne
- Tim Mulherin – MP for Mackay, and Deputy Leader of the ALP in Queensland – St Patrick's College, Mackay, Queensland
- John Murphy – former Member for Reid – Waverley College, Sydney
- Paul Neville – former Member of Hinkler – St Joseph's College, Nudgee, Brisbane
- Clem Newton-Brown, the former Liberal Member for Prahran in the Victorian Legislative Assembly – St Kevin's College, Melbourne
- Edward "Eddie" Obeid, former Australian politician who served as a member of the New South Wales Legislative Council between 1991 and 2011, and formerly a holder of a Medal of the Order of Australia – St Patrick's College, Strathfield, Sydney
- Gavan O'Connor – former Federal Shadow Minister – St Patrick's College, Ballarat, Victoria
- Ray O'Connor – Premier of Western Australia
- Albert Ogilvie – former Premier of Tasmania – St Patrick's College, Ballarat, Victoria and St Virgil's College, Hobart, Tasmania
- Kevin Frederick O'Leary Chief Justice of the Supreme Court of the Northern Territory – Christian Brothers' High School Lewisham, Sydney
- Paul Osborne, politician; a professional rugby league footballer – Christian Brothers' High School, Lewisham, Sydney
- Neil O'Sullivan – Leader of the Liberal Party in the Australian Senate – St Joseph's College, Nudgee, Brisbane
- Henry Palaszczuk – former Member of the Queensland Legislative Assembly for Inala and Beatiie Government Minister; father of Queensland Premier Annastacia Palaszczuk – St Edmund's College, Ipswich, Queensland
- Warwick Parer – former Federal Minister and Senator for Queensland – St Joseph's College, Nudgee, Brisbane
- John Pierce, former Secretary of the Department and Chief Economist to The Treasury, former Secretary of the Department to the Australian Government Department of Resources Energy & Tourism and current Chairman of the Australian Energy Market Commission – St Patrick's College, Strathfield, Sydney
- Kieran Prendergast KCVO CMG former British diplomat and UN Under-Secretary-General 1997–2005 – St Patrick's College, Strathfield
- John Quigley – legislator and barrister – Aquinas College, Perth
- Graham Quirk – politician; Lord Mayor of Brisbane – St James College, Brisbane
- Peter Randles, a former Labor, Labor Anti-Communist and Democratic Labor Member for Brunswick in the Victorian Legislative Assembly – St Kevin's College, Melbourne
- Andrew Robb MP, Commonwealth Shadow Minister for Finance and Debt Reduction, and former Howard Government Minister – Parade College, Melbourne
- John Ryan, diplomat and Director-General of the Australian Secret Intelligence Service – St Patrick's College, Goulburn, New South Wales
- Mark Ryan – Queensland State Member for Morayfield, 2009–2012 – St Joseph's College, Nudgee, Brisbane
- Scott Ryan, Liberal Senator for Victoria – St Kevin's College, Melbourne
- Frederick Samson – Mayor of Fremantle, 1951–1972 – Christian Brothers College, Fremantle, Western Australia
- B. A. Santamaria, a prominent Australian Roman Catholic, journalist and anti-Communist political activist who founded the Democratic Labour Party – St Joseph's College, Melbourne and St Kevin's College, Melbourne
- Ted Serong, , was a senior officer of the Australian Army, most notable for his contributions to counter-insurgency and jungle warfare tactics during the Vietnam War – St Kevin's College, Melbourne
- Harrie Seward – former Federal Senator – St Patrick's College, Ballarat, Victoria
- Billy Sheahan – Attorney General of NSW 1953–1956 – St Patrick's College, Goulburn, New South Wales
- Terry Sheahan, a former NSW Attorney General and Member for Burrinjuck – Christian Brothers' High School, Lewisham, Sydney
- Warren Snowdon MP – Federal Member for Lingiari – St Edmund's College, Canberra
- Doug Sutherland AM, former Labor Lord Mayor of Sydney – St Patrick's College, Strathfield, Sydney
- Peter Tagliaferri – Mayor of Fremantle, 2001–2009 – Christian Brothers College, Fremantle, Western Australia
- Chris Tallentire – Western Australian politician – McGowan Ministry 2017, MLA for Gosnells – Trinity College, Perth
- Bill Tilley, Victorian politician and member for Benambra and Waverley College, Sydney
- Jack Tully, Australian parliamentarian, Member for Goulburn in the NSW Parliament, 1925–1932 and 1935–1946 – St Patrick's College, Goulburn, New South Wales
- Mick Veivers – former coalition government minister, and Rugby league international – St Joseph's College, Nudgee, Brisbane
- Frank Walsh – 34th Premier of South Australia – Christian Brothers College, Adelaide
- John Watkins, former Deputy Premier of New South Wales, Minister for Transport and Minister for Finance – St Pius X College, Chatswood, Sydney
- George White, a former Labor, Labor Anti-Communist and Democratic Labor Member for Mentone in the Victorian Legislative Assembly – St Kevin's College, Melbourne
- Terry White – former Liberal Party leader in Queensland and founder of Terry White Chemists – St Joseph's College, Nudgee, Brisbane
- Ben Wyatt – Western Australia shadow treasurer – Aquinas College, Perth
- Cedric Wyatt – Western Australia activist – Clontarf Aboriginal College, Waterford, WA and Aquinas College, Perth
- Richard Stewart – Mayor of Coquitlam, British Columbia – St. Thomas More Collegiate, Burnaby, British Columbia
- Winton Pickering – Member of Parliament – Nukutere College, Rarotonga
- Kapil Sibal – Member of Parliament, Former Cabinet Minister – St. John's High School, Chandigarh
- Rahul Gandhi – Member of Parliament, President of the Indian National Congress, Chairperson of the Indian Youth Congress and the National Students Union of India – St Columba's School, Delhi
- Sanjay Gandhi – former Member of Parliament, son of Prime Minister Indira Gandhi – St. Columba's School, Delhi
- Gaurav Gogoi – Member of Parliament – St Columba's School, Delhi
- Hasim Abdul Halim – politician – St Joseph's College, Calcutta
- Najeeb Jung – Lieutenant Governor of Delhi, former Vice-Chancellor of Jamia Millia Islamia – St Columba's School, Delhi
- James Michael Lyngdoh – former Chief Election Commissioner of India – St Edmund's College, Shillong
- Derek O'Brien – television personality, Member of Parliament – St Columba's School, Delhi
- Anil Shastri – former Member of Parliament – St Columba's School, Delhi
- Sidharth Nath Singh, Minister of Health, Government of Uttar Pradesh – St Columba's School, Delhi
- Abhishek Manu Singhvi – Member of Parliament, former spokesperson for the Indian National Congress – St Columba's School, Delhi
- Himachal Som – former Indian Ambassador to Italy – St. Patrick's Higher Secondary School, Asansol, Paschim Bardhaman district, West Bengal
- Bertie Ahern – TD, former Taoiseach, former Government minister – St Aidan's C.B.S.
- Maurice Ahern – former Lord Mayor of Dublin – O'Connell School, Dublin
- Niall Andrews – TD and MEP – Synge Street CBS, Dublin
- Seán Barrett, Fine Gael Teachta Dála, Ceann Comhairle of Dáil Éireann and former cabinet minister – C.B.C. Monkstown, Dún Laoghaire, County Dublin
- Peter Barry – former Tánaiste – Christian Brothers College, Cork
- Gerald Boland, Fianna Fáil politician and cabinet minister – O'Connell School, Dublin
- Eamonn Ceannt – Irish Nationalist; one of the 1916 signatories to the Proclamation of the Irish Republic – O'Connell School, Dublin
- Frank Cluskey – Politician – St. Vincent's C.B.S, Glasnevin, Dublin
- Liam Cosgrave – Taoiseach – Synge Street CBS, Dublin
- John A. Costello – former Taoiseach of Ireland – O'Connell School, Dublin
- Hugh Coveney – Irish Government minister – Christian Brothers College, Cork
- Pat Cox – former President of the European Parliament – Ardscoil Rís, Limerick
- John Crown, Senator and consultant oncologist – Synge Street CBS, Dublin
- Martin Cullen – former TD and Minister – former Irish Fianna Fáil politician;Teachta Dála for the Waterford constituency; Senator; cabinet minister – Waterpark College, Waterford
- Éamon de Valera – 1st Taoiseach, 3rd President of Ireland – C.B.S. Charleville, County Cork
- Paschal Donohoe, Fine Gael politician;Minister for Finance since June 2017 and Minister for Public Expenditure and Reform since May 2016; Teachta Dála since 2011, currently for the Dublin Central constituency – St Declan's College, Dublin
- James Dooge, former Minister for Foreign Affairs, Chairman of Seanad Éireann – C.B.C. Monkstown, Dún Laoghaire, County Dublin
- Frank Flood – IRA officer executed in 1921 during the War of Independence. One of The Forgotten Ten – O'Connell School, Dublin
- Tony Gregory – Independent TD; teacher at Coláiste Eoin – O'Connell School, Dublin
- Charles Haughey – Taoiseach on three different occasions, 1979–1981, March 1982 – December 1982 and 1987–1992 – St Joseph's CBS, Fairview, Dublin
- John Hearne –, lawyer and diplomat; chief architect of the Constitution of Ireland – – Waterpark College, Waterford
- Joe Higgins, former TD for the Dublin West constituency ; was Member of the European Parliament for the Dublin constituency – Dingle CBS
- John Hooper – BA – first Director of the Statistics Branch of the Department of Industry and Commerce in Ireland – O'Connell School, Dublin
- Declan Kelly – Ambassador – St. Vincent's C.B.S, Glasnevin, Dublin
- Thomas Kettle – barrister, poet, soldier and Home Rule politician; Member of Parliament for East Tyrone at Westminster ; Irish Volunteer from 1913; World War I, in 1914 enlisted for service in the British Army; killed in action on the Western Front 1916 – O'Connell School, Dublin
- Rory Kiely – former of Seanad Éireann, the upper house of the Irish legislature – C.B.S. Charleville, County Cork
- Seamus Kirk, former Irish Fianna Fáil; Ceann Comhairle of Dáil Éireann ; Teachta Dála for the Louth ; Minister of State for Horticulture – Coláiste Rís, Dundalk, County Louth
- Liam Lawlor, TD – Synge Street CBS, Dublin
- George Lee – TD – Coláiste Éanna
- Seán Lemass – former Taoiseach of Ireland – O'Connell School, Dublin and Westland Row C.B.S
- Fiach Mac Conghail – Director of the Abbey Theatre and Senator – Coláiste Eoin, Booterstown, County Dublin
- Seán MacEntee – Tánaiste – St Mary's Christian Brothers' Grammar School, Belfast
- Colm Mac Eochaidh – High Court judge – Coláiste Eoin, Booterstown, County Dublin
- P.J. Mara – Fianna Fáil politician; member of the Seanad – O'Connell School, Dublin
- Dermot McCarthy, senior civil servant – Synge Street CBS, Dublin
- Derek McDowell – former TD; Irish Labour Party senator – Ardscoil Rís, Dublin
- Finian McGrath, Independent politician; Teachta Dála since 2002, currently for the Dublin Bay North constituency; Minister of State for Disability Issues from 2016 Teachta Dála since 2002 – St. Patrick's College, Tuam
- Charlie McCreevy, former Minister for Finance and European Commissioner for Internal Market and Services – Naas CBS, Naas, Co. Kildare
- Andrew Montague, Irish politician; Lord Mayor of Dublin 2011–2012 – St Aidan's C.B.S.
- Kevin Murphy, career civil servant, Ombudsman and Information Commissioner – Synge Street CBS, Dublin
- Dr John O'Connell – Politician – St. Vincent's C.B.S, Glasnevin, Dublin
- Charlie O'Connor, Fianna Fáil TD for Dublin South-West – Synge Street CBS, Dublin
- Éamon Ó Cuív TD, Fianna Fáil party politician and former cabinet minister – Oatlands College, Mount Merrion, County Dublin
- Cearbhall Ó Dálaigh, former President of Ireland – Synge Street CBS, Dublin
- Kevin O'Doherty, Queensland, Australia politician – CBS Sexton Street, Limerick
- Francis Martin O'Donnell GCMM KC*SG KM KCHS KCMCO – Senior UN Official and Ambassador – St. Vincent's C.B.S, Glasnevin, Dublin
- Cearbhall Ó Dálaigh – 5th President of Ireland, Chief Justice of the Irish Supreme Court – Synge Street CBS, Dublin
- Seán T. O'Kelly – second President of Ireland – O'Connell School, Dublin
- Aodhán Ó Ríordáin, Irish Labour Party Senator; former Teachta Dála for the Dublin North-Central constituency at the 2011 general election – Marino Institute of Education, Dublin
- Aengus Ó Snodaigh – Historian, author and Sinn Féin TD, spokesperson on Social Protection and Communities – Coláiste Eoin, Booterstown, County Dublin
- Willie Penrose Irish Labour Party politician; Teachta Dála since 1992, currently for the Longford–Westmeath; Minister of State for Housing and Planning in 2011; Chairperson of the Labour Parliamentary Party since February 2016 – Coláiste Mhuire, Mullingar, County Westmeath
- Peter Power – TD, Irish Minister of State – Ardscoil Rís, Limerick
- Noel Rock – TD for Dublin North-West in the Dáil Éireann, the lower house of the Irish legislature – St Aidan's C.B.S.
- Richie Ryan, politician; cabinet minister – Synge Street CBS, Dublin
- Jim Sanfey, Fine Gael general secretary – Synge Street CBS, Dublin
- Diarmuid Scully, member of Limerick City Council and former Mayor of Limerick – CBS Sexton Street, Limerick
- Róisín Shortall, politician; joint leader of the Social Democrats since 2015; Teachta Dála for the Dublin North-West constituency since the 1992 general election –Marino Institute of Education, Dublin
- Jim Tunney – Politician and Gaelic Football – St. Vincent's C.B.S, Glasnevin, Dublin
- Michael Smith, former Teachta Dála for Tipperary North ; Cabinet Minister – Our Lady's Secondary School, Templemore, County Tipperary
- Michael Woods, former Irish Fianna Fáil politician and cabinet minister – Synge Street CBS, Dublin
- Franklin Siakor – Liberian politician; Bong County junior senator – St. Martin's Catholic High School, Gbarnga, Liberia
- Darroch Ball – Member of Parliament, first elected 2014 – Liston College, Henderson, Auckland
- Chris Carter – Member of Parliament for Te Atatu, List Member of Parliament ; Minister of Conservation, Minister of Housing, Minister of Ethnic Affairs, Minister of Education, and Minister for the Education Review Office ; United Nations official in Afghanistan and Myanmar – St Peter's College, Auckland
- Mick Connelly – Member of Parliament for Riccarton, Wigram and Yaldhurst ; Minister of Police, and Minister of Customs and, in 1975, Minister of Works and Development and Minister of Statistics – Christian Brothers School, Dunedin
- Peter Dignan – 15th Mayor of Auckland – St Peter's School, Auckland
- Martyn John Dunne – Major-General ; chief executive of the Ministry for Primary Industries ; New Zealand High Commissioner to Australia ; Comptroller of Customs and Chief executive of the New Zealand Customs Service ; Commander Joint Forces New Zealand ; New Zealand Commander, East Timor, INTERFET – St Peter's College, Auckland
- Peter Gresham – Member of Parliament for Waitotara and Whanganui, and was a list MP ; Minister of Social Welfare and Minister of Senior Citizens – St. Kevin's College, Oamaru
- Paul Raymond Harris – Chief executive, Electoral Commission – St Peter's College, Auckland
- Gavan Herlihy – Member of Parliament for Otago – St. Kevin's College, Oamaru
- Stefan Lipa – lawyer, President of the Social Credit Party – St Peter's College, Auckland
- Brian MacDonell – former Member of Parliament, Parliamentary Under-Secretary for Trade & Industry and Energy Resources – Christian Brothers School, Dunedin
- Patrick McClure AO – Third Sector leader, CEO of Mission Australia, of the Society of St Vincent de Paul, of the Retirement Villages Group, Macquarie Group Chairperson of the Reference Group on Welfare Reform /CEO, Government review of the welfare system in Australia – St Peter's College, Auckland and Waverley College, Sydney
- William Joseph Napier – lawyer, Liberal Party Member of Parliament for the City of Auckland electorate multi-member electorate 1899–1902 – St Peter's School, Auckland
- Gray Nelson – senior public servant and diplomat – St Peter's College, Auckland
- Alec Neill – Member of Parliament for Waitaki, List MP – St. Kevin's College, Oamaru
- Patrick Jerad O'Dea, KCVO – former Secretary of the Department of Internal Affairs and well known as the organiser of six royal tours of New Zealand – Christian Brothers School, Dunedin
- John Patterson – Auckland city councillor 1900–1903 and 1908–1911 – St Peter's School, Auckland
- Anthony George Ravlich – activist, politician and writer – St Peter's College, Auckland
- John Sheehan – lawyer, 19th-century New Zealand politician; the first New Zealand-born Member of Parliament elected by a general electorate ; first New Zealand-born person to hold cabinet rank – St Peter's School, Auckland
- John Tamihere – Member of Parliament for Hauraki and Tamaki Makaurau ; in the period, Minister of Small Business, Minister of Youth Affairs, Minister of Statistics, Minister for Land Information, Associate Minister of Māori Affairs – St Peter's College, Auckland
- Joseph Tole – lawyer; 19th-century Member of the New Zealand Parliament 1876–87; Minister of Justice from 1884 to 1887 – St Peter's School, Auckland
- Phillip Turner, New Zealand Public Servant and Diplomat; New Zealand ambassador to Korea - St Peter's College, Auckland
- Joe Walding – former Member of Parliament for Palmerston North, former Minister of Overseas Trade, former Minister for the Environment, former Minister of Recreation and Sport – Christian Brothers School, Dunedin
- David Martin Wilson, fourteenth Clerk of the New Zealand House of Representatives – St Paul's's High School, Dunedin
- Michael Woodhouse – National Party List Member of Parliament, Chief Government whip ; ; Deputy Leader of the House ; Minister for ACC ; Minister of Immigration ; 1st Minister for Workplace Relations and Safety ; Minister of Revenue – St Paul's High School, Dunedin
- John Momis, President of the Autonomous Region of Bougainville, 2010–present – St Brendan's College, Yeppoon, Queensland, Australia
- Manuel D'Ornellas – diplomat, lawyer and journalist – Colegio Cardenal Newman, Buenos Aires
- Manne Dipico, politician and businessman – St. Boniface High School
- Gerry Adams – MP, MLA, TD; President of Sinn Féin – St Mary's Christian Brothers' Grammar School, Belfast
- Frank Aiken TD, Irish Republican Army commander, Tánaiste and served as Minister for Defence, Minister for the Co-ordination of Defensive Measures, Minister for Finance and Minister for External Affairs – Abbey Christian Brothers' Grammar School, Newry, County Down, Northern Ireland
- Brendan Barber, General Secretary of the TUC – St Mary's College, Crosby, Liverpool
- John Birt, Director General of the BBC and advisor to the Blair administration – St Mary's College, Crosby, Liverpool
- Alexander Blane – MP for South Armagh, 1885–92 – St Patrick's Grammar School, Armagh
- * Mickey Brady, Sinn Féin MP for Newry and Armagh – Abbey Christian Brothers' Grammar School, Newry, County Down, Northern Ireland
- Michael Carr, Labour MP – St Mary's College, Crosby, Liverpool
- Gerry Carroll, MLA, MLA – St Mary's Christian Brothers' Grammar School, Belfast
- Therese Coffey, Conservative MP, Deputy Leader of the House of Commons – St Mary's College, Crosby, Liverpool
- John Cushnahan, politician; MEP – St Mary's Christian Brothers' Grammar School, Belfast
- Joseph Devlin, politician – St Mary's Christian Brothers' Grammar School, Belfast
- John Gingell GBE KCB KCVO – Senior Royal Air Force commander; Air Chief Marshal ; Black Rod in the Houses of Parliament 1984 – 1992 – St Boniface's Catholic College, Plymouth, Devon
- Damian Hinds, Conservative Party Member of Parliament for East Hampshire – St Ambrose College, Greater Manchester
- Peter Kilfoyle, Labour MP from 1991 to 2010 for Liverpool Walton – St Edward's College, Liverpool
- Terry Leahy, CEO of Tesco retail chain – St Edward's College, Liverpool
- Seán MacEntee, politician, TD, Tánaiste, member of the first Dáil Éireann – St Mary's Christian Brothers' Grammar School, Belfast
- Séamus Mallon, Social Democratic and Labour Party politician and former Deputy First Minister of Northern Ireland – Abbey Christian Brothers' Grammar School, Newry, County Down, Northern Ireland
- Paul Maynard, Conservative Party Member of Parliament for Blackpool North and Cleveleys – St Ambrose College, Greater Manchester
- Martin McAleese, former member of Seanad Éireann and the husband of the 8th President of Ireland, Mary McAleese; Senator ; Chancellor of Dublin City University since August 2011 – St Mary's Christian Brothers' Grammar School, Belfast
- Martin McGuinness – PIRA commander; deputy First Minister of Northern Ireland – Brow of the Hill Christian Brothers School, Derry
- Kevin McNamara – former Member of Parliament – St Mary's College, Crosby, Liverpool
- Greg Mulholland, Liberal Democrat Member of Parliament for Leeds North West – St Ambrose College, Greater Manchester
- Máirtín Ó Muilleoir, publisher, 58th Lord Mayor of Belfast, MLA – St Mary's Christian Brothers' Grammar School, Belfast
- John O'Sullivan CBE, conservative political columnist; former adviser to Prime Minister Margaret Thatcher – St Mary's College, Crosby, Liverpool
- Julian Priestley KCMG, Secretary General of the European Parliament from 1997 to 2007 and author – St Boniface's Catholic College, Plymouth, Devon
- Ivor Roberts, KCMG – former diplomat ; current President of – Trinity College, Oxford – St Mary's College, Crosby, Liverpool
- David Rowlands, Permanent Secretary, Department for Transport, 2003–07; Chairman, Gatwick Airport – St Mary's College, Crosby, Liverpool
- Patrick Shea – Northern Irish civil servant, Ministry of Education, Permanent Secretary – Abbey Christian Brothers' Grammar School, Newry, County Down, Northern Ireland
- Michael Benedetto – New York State Assemblyman – Iona College, New Rochelle, New York
- John Bonacic – New York State Senator – Iona College, New Rochelle, New York
- Mike Bouchard – former Michigan State Senator, Oakland County, Michigan Sheriff – Brother Rice High School, Bloomfield Township, Oakland County, Metro Detroit, Michigan
- Frank Caprio – former Rhode Island State Senator and Rhode Island State Treasurer – Bishop Hendricken High School, Warwick, Rhode Island
- Robert Consalvo – Boston City Councilor – Catholic Memorial School, West Roxbury, Massachusetts
- Joseph Crowley – US Representative from New York – Power Memorial Academy, New York City
- Michael Cusick – New York State Assemblyman – Monsignor Farrell High School, Oakwood, Staten Island, New York
- Brian J. Donnelly – former U.S. Congressman, ambassador – Catholic Memorial School, West Roxbury, Massachusetts
- Dan Donovan – U.S. Congressman from New York – Monsignor Farrell High School, Oakwood, Staten Island, New York
- James B. Donovan - US Navy officer, political negotiator, lawyer, politician – All Hallows High School, The Bronx, New York City
- Vito Fossella – U.S. Congressman from New York – Monsignor Farrell High School, Oakwood, Staten Island, New York
- J. Richard Fredericks – former US Ambassador to Switzerland and Liechtenstein – Brother Rice High School, Bloomfield Township, Oakland County, Metro Detroit, Michigan
- Timothy C. Idoni – Westchester County Clerk, former mayor of New Rochelle, New York – Iona College, New Rochelle, New York
- Klint Kesto – Michigan State Representative – Brother Rice High School, Bloomfield Township, Oakland County, Metro Detroit, Michigan
- James Langevin – U.S. Congressman – Bishop Hendricken High School, Warwick, Rhode Island
- Andrew Lanza – New York State Senator – Monsignor Farrell High School, Oakwood, Staten Island, New York
- Edward Maloney, former Illinois State Senator – Leo Catholic High School, Auburn-Gresham, Chicago
- Gerald S. McGowan – former United States Ambassador to Portugal|US Ambassador to Portugal – Brother Rice High School, Bloomfield Township, Oakland County, Metro Detroit, Michigan
- Michael McMahon – U.S. Congressman from New York – Monsignor Farrell High School, Oakwood, Staten Island, New York
- Jerry J. O'Connell – former US Representative from Montana – Butte Central Catholic High School
- Patrick Pizzella - Deputy Secretary of Labor, appointee under President Reagan, both presidents Bush, president Obama & president Trump Administrations – Iona College, New Rochelle, New York
- James Oddo – New York City Councilman – Monsignor Farrell High School, Oakwood, Staten Island, New York
- Edward R. Reilly – Maryland State Senator – – Essex Catholic High School, Newark and East Orange, New Jersey and Iona College, New Rochelle, New York
- John H. Rogers – Massachusetts State Representative, Majority Leader – Power Memorial Academy, New York City
- Mike Rush – Massachusetts State Senator – Catholic Memorial School, West Roxbury, Massachusetts
- Nicholas A. Spano – former New York State Senator – Iona College, New Rochelle, New York
- Kevin Sullivan – former White House Communications Director, honored with the NBA lifetime achievement award – Iona College, New Rochelle, New York
- Louis Tobacco – New York State Assemblyman – Monsignor Farrell High School, Oakwood, Staten Island, New York
- John Tobin – Boston City Councilor – Catholic Memorial School, West Roxbury, Massachusetts
- Thomas Tunney – Chicago City Councilor – Brother Rice High School
- Peter Vallone, Sr. – former Speaker of New York City Council – Power Memorial Academy, New York City
- Roberto Canessa – political figure ; one of 16 survivors of Andes air accident in 1972 – Stella Maris College
- David Coltart – lawyer, former Member of Parliament, senator, Minister of Education, Sport and Culture of Zimbabwe – Christian Brothers College, Bulawayo
Religion
- John Alexius Bathersby, sixth archbishop of Brisbane – St Joseph's College, Nudgee
- Matthew Beovich, fifth Archbishop of Adelaide – St Joseph's College, Melbourne
- Mark Coleridge, Seventh Archbishop of Brisbane - St Kevin's College, Melbourne
- Adrian Leo Doyle AM, tenth Archbishop of Hobart – St Virgil's College, Hobart, Tasmania
- Patrick Dougherty Bishop of Bathurst – Waverley College
- William Foley – Archbishop of Perth – Christian Brothers College, Perth
- James Darcy Freeman KBE – Cardinal – 6th Roman Catholic Archbishop of Sydney – St Mary's Cathedral College, Sydney
- Launcelot Goody – Archbishop of Perth – St Patrick's Boys' School, Perth and Christian Brothers College, Perth
- Peter Ingham, Auxiliary Bishop of Sydney 1993–2001; Bishop of Wollongong 2001–present – St Pius X College, Chatswood, Sydney
- Thomas Francis Little KBE, Archbishop of Melbourne – St Patrick's College, Ballarat
- Patrick Lyons, Bishop; first of Christchurch and then of Sale – St Joseph's College, Melbourne
- Bob Maguire OA – priest, community worker and media personality – Christian Brothers College, St Kilda
- Michael Malone, Bishop of Maitland ; Chair of the Australian Catholic Bishops' Conference Commission – St Pius X College, Chatswood, Sydney
- Daniel Mannix – Archbishop of Melbourne – C.B.S. Charleville, County Cork
- John Aloysius Morgan Auxiliary Bishop of Canberra and Goulburn – St Joseph's College, Melbourne
- George Pell, AC, Cardinal, Prefect of the Secretariat for the Economy of the Holy See ), eighth Archbishop of Sydney, auxiliary bishop and Archbishop of Melbourne – St Patrick's College, Ballarat
- Michael E. Putney Bishop of Townsville; 6th President of the National Council of Churches in Australia – St Columban's College, Caboolture, Queensland
- John James Scullion – St Joseph's College, Melbourne
- Bernard Denis Stewart, Bishop of Sandhurst – St Joseph's College, Melbourne
- Michael Tate – Catholic priest and former Federal Justice Minister – St Virgil's College, Hobart, Tasmania
- Kevin Doran, Bishop of Elphin – C.B.C. Monkstown, Dún Laoghaire, County Dublin
- Fr John Fogarty CSSp – Superior General, Congregation of the Holy Spirit – St. Vincent's C.B.S, Glasnevin, Dublin
- James Kavanagh – Auxiliary Bishop of Dublin; Professor of Sociology, University College Dublin – O'Connell School, Dublin
- Brendan Leahy, 49th Bishop of Limerick – Coláiste Éanna, Ballyroan, Dublin
- Daniel Mannix – Archbishop of Melbourne – C.B.S. Charleville, County Cork
- John Moore SMA,, Bishop of the Diocese of Bauchi, Nigeria – Synge Street CBS, Dublin
- Michael Slattery, Catholic archbishop; Archbishop of Cashel & Emly – The Abbey School
- Michael Kpakala Francis – Archbishop of Monrovia 1981–2011 – St. Martin's Catholic High School, Gbarnga, Liberia
- Leonard Anthony Boyle – fifth Bishop of Dunedin – Christian Brothers School, Dunedin
- Robert Brennan, Priest of the Missionary Society of St. Columban; missionary and social activist in South Korea – St Peter's College, Auckland
- Matthew Joseph Brodie, second Bishop of Christchurch – St Peter's School, Auckland
- Denis George Browne – third Bishop of Rarotonga ; tenth Bishop of Auckland ; second Bishop of Hamilton – St Peter's College, Auckland
- Felix Donnelly – priest of the Diocese of Auckland, ordained in 1954; writer of non-fiction, novelist, academic, broadcaster, counsellor and founder of Youthline – St Peter's College, Auckland
- Edward Gaines – first Bishop of Hamilton – St Peter's College, Auckland
- James Michael Liston – Archbishop; seventh Bishop of Auckland – Christian Brothers School, Dunedin
- William Mahoney – first New Zealand-born person to be ordained a Catholic priest – St Peter's School, Auckland
- Peter Thomas Bertram McKeefry – Cardinal ; third Archbishop of Wellington and Metropolitan of New Zealand – Christian Brothers School, Dunedin
- Denzil Meuli – priest; leading New Zealand traditionalist Catholic – St Peter's College, Auckland and St Kevin's College, Oamaru
- Hugh John O'Neill – Bishop; Coadjutor Bishop of Dunedin – Christian Brothers School, Dunedin
- Patrick O'Reilly – Monsignor, Catholic priest and educationalist in the Diocese of Auckland – St Peter's School, Auckland
- Antony Sumich – priest of Priestly Fraternity of Saint Peter; rugby union and cricket international – St Peter's College, Auckland
- Thomas Stafford Williams – Cardinal, fifth Archbishop of Wellington and Metropolitan of New Zealand – St Kevin's College, Oamaru
- John Barrett, Bishop of Plymouth from 1929 to 1946 – St Edward's College, Liverpool
- Thomas Bartley, bishop, vicar general of the diocese of Down and Connor – St Mary's Christian Brothers' Grammar School, Belfast
- James Romanus Bilsborrow, Bishop of Port-Louis from 1910 to 1916, and Archbishop of Cardiff from 1916 to 1920 – St Edward's College, Liverpool
- William Conway, cardinal archbishop Armagh, Primate of All Ireland – St Mary's Christian Brothers' Grammar School, Belfast
- Richard Downey, Archbishop of Liverpool from 1928 to 1953 – St Edward's College, Liverpool
- Denis Faul – Monsignor in the Catholic Church and President of St Patrick's Academy Dungannon – St Patrick's Grammar School, Armagh
- Bob Fitzharris, Anglican clergyman, Archdeacon of Doncaster from 2001 to 2011 – St Anselm's College, Birkenhead, Liverpool
- Thomas Flynn from 1939 to 1961 – St Edward's College, Liverpool
- Brian Foley – priest and hymnist – St Mary's College, Crosby, Liverpool
- Kevin McDonald, Archbishop of Southwark – St Joseph's College, Stoke-on-Trent
- Joseph MacRory – Cardinal; Archbishop of Armagh and Primate of All Ireland 1928–1943 – St Patrick's Grammar School, Armagh
- Vincent Nichols, Cardinal Archbishop of Westminster, leader of the Catholics of England and Wales – St Mary's College, Crosby, Liverpool
- John Rawsthorne, Bishop of Hallam – St Mary's College, Crosby, Liverpool
- Patrick Walsh, bishop of Down & Connor – St Mary's Christian Brothers' Grammar School, Belfast
- Gerard Weston MBE – priest, killed by the Official IRA in the 1972 Aldershot bombing – St Mary's College, Crosby, Liverpool
- J. Kevin Boland – Bishop of Savannah – Christian Brothers College, Cork
- Kathleen Deignan – theologian, liturgical singer, writer – Iona College, New Rochelle, New York
- John R. Gorman, auxiliary bishop of Chicago – Leo Catholic High School, Auburn-Gresham, Chicago
- Kevin Hasson – founder and former President of the Becket Fund for Religious Liberty – Bishop Kearney High School
- Daniel Robert Jenky CSC, Bishop of the Peoria; rector of the Basilica of the Sacred Heart, Indiana, at Notre Dame University; chaplain of Notre Dame's last football team to win a national championship – St. Laurence High School, Burbank, Chicago
- John Navone – SJ – Jesuit priest, theologian, author, retired Professor Emeritus of the Pontifical Gregorian University – O'Dea High School, King County, Washington
- George Leo Thomas – Bishop of Helena – Butte Central Catholic High School, Butte, Montana
- Gerald Thomas Walsh – Auxiliary Bishop of the Archdiocese of New York – Power Memorial Academy
Science and medicine
- John Boldeman – nuclear scientist, best known for his work on the ANTARES Tandem Accelerator and the Australian synchrotron – St Joseph's College, Nudgee, Brisbane
- Victor Chang, Australian heart surgeon – Christian Brothers' High School, Lewisham, Sydney
- John Dwyer, Australian doctor, professor of medicine, and public health advocate – St Patrick's College, Strathfield, Sydney
- Peter Klinken – scientist – Aquinas College, Perth
- Aubrey Lewis – first Professor of Psychiatry at the Institute of Psychiatry, London – Christian Brothers College, Adelaide
- Bruce Maslin – botanist Trinity College, Perth
- John Mattick, geneticist – St Patrick's College, Strathfield, Sydney
- Michael K. Morgan AM, professor of Neurosurgery and Dean of Medicine, School of Advanced Medicine, Macquarie University – St Patrick's College, Strathfield, Sydney
- Chris Tinney, professor and Associate Dean for the Faculty of Science at UNSW, where he heads the Exoplanetary Science at UNSW group within the School of Physics. Former head of the Australian Astronomical Observatory – St Patrick's College, Strathfield, Sydney
- Harry Windsor – Australia's first heart transplant surgeon – St Joseph's College, Nudgee, Brisbane
- Partha Pratim Chakraborty – computer scientist, Director of Indian Institute of Technology Kharagpur – St. Patrick's Higher Secondary School, Asansol, Paschim Bardhaman district, West Bengal
- Deepak Chopra – physician, public speaker, writer and New Age spiritual guru – St. Columba's School, Delhi
- Stephen Smith – rocket scientist, creator of rocket mail in India – St. Patrick's Higher Secondary School, Asansol, Paschim Bardhaman district, West Bengal
- William Mulholland – civil engineer known for dam construction – O'Connell School, Dublin
- Joseph Patrick Slattery, CM, physicist, radiologist, Catholic priest, pioneer in the field of radiography in Australia – Waterpark College, Waterford
- Peter John Hurley – physician and researcher in nuclear medicine – St Peter's College, Auckland
- Stephen Parke – Harvard-educated physicist – St Peter's College, Auckland
- Martin Reyners – fellow of the Royal Society of New Zealand, leading New Zealand scientist in seismology and plate tectonics – St Peter's College, Auckland
- Ronald Truhbuhovich – medical doctor and pioneer of critical care medicine in Auckland – St Peter's College, Auckland
- Vincent McBrierty, professor of Physics, Trinity College Dublin, Constantinian Knight – St Mary's Christian Brothers' Grammar School, Belfast
- Michael MacConaill, Chair of Anatomy at University College, Cork – St Mary's Christian Brothers' Grammar School, Belfast
- Kieran Moriarty, physician, scientist – St Ambrose College, Greater Manchester
- Christopher J. Schofield FRS – chemist, Head of Organic Chemistry since 2011 at the University of Oxford and Fellow of Hertford College, Oxford – St Anselm's College, Birkenhead, Liverpool
- Darrell Steffensmeier, American criminologist and Liberal Arts Research Professor of Sociology and Criminology at Pennsylvania State University – St Ambrose College, Greater Manchester
- James William Colbert Jr. – physician and academic vice president of the Medical University of South Carolina – Iona Preparatory School, New Rochelle, New York
- John P. Donohue – physician, researcher, educator, pioneered the development of chemotherapy – Iona Preparatory School, New Rochelle, New York
- Pamela Melroy – NASA astronaut – Bishop Kearney High School
- Mario Runco, Jr. – NASA astronaut – Cardinal Hayes High School, the Bronx, New York City
Sport
American football
Australia- Patrick John O'Dea – Australian rules footballer turned American football legend – Christian Brothers College, St Kilda, Melbourne
- Antonio Allen – professional football player – Trinity Catholic High School, Ocala, Florida
- Dick Ambrose – professional football player, Cleveland Browns – Iona Preparatory School, New Rochelle, New York
- Joe Azelby – professional football player, businessman, author – Bergen Catholic High School, Oradell, Bergen County, New Jersey
- Mike Bajakian – professional football coach – Bergen Catholic High School, Oradell, Bergen County, New Jersey
- Matt Baker – professional football player – Brother Rice High School, Bloomfield Township, Oakland County, Metro Detroit, Michigan
- Carl Barisich – professional football player – Bergen Catholic High School, Oradell, Bergen County, New Jersey
- Will Blackmon – professional football player, Seattle Seahawks – Bishop Hendricken High School, Warwick, Rhode Island
- John Brantley – college football player – Trinity Catholic High School, Ocala, Florida
- Inoke Breckterfield, University of Wisconsin defensive line coach – Damien Memorial School, Honolulu, Hawaii
- Brian Brennan – professional football player – Brother Rice High School, Bloomfield Township, Oakland County, Metro Detroit, Michigan
- Nate Burleson – professional football player – O'Dea High School, King County, Washington
- Geron Christian, American football player; plays for the Washington Redskins – Trinity Catholic High School
- Charley Casserly – sportscaster, football executive – Bergen Catholic High School, Oradell, Bergen County, New Jersey
- Greg Collins – actor, professional football player – Brother Rice High School, Bloomfield Township, Oakland County, Metro Detroit, Michigan
- Willie Colón – professional football player, New York Jets – Cardinal Hayes High School, the Bronx, New York City
- Kevin Coyle – professional football coach, Miami Dolphins – Monsignor Farrell High School, Oakwood, Staten Island, New York
- Fran Curci – former head football coach of the University of Miami and the University of Kentucky – Archbishop Curley-Notre Dame High School, Buena Vista, Miami
- Brian Cushing – professional football player – Bergen Catholic High School, Oradell, Bergen County, New Jersey
- Chris Dalman – professional football player and coach – Palma School, Salinas, California
- Tony DeMeo – college head football coach – Iona College, New Rochelle, New York
- Charley Diamond – American Football League player – Archbishop Curley-Notre Dame High School, Buena Vista, Miami, Florida
- David Diehl – professional football player – Brother Rice High School
- Mark Donahue – professional football player – Brother Rice High School
- Jim Dray – professional football player – Bergen Catholic High School, Oradell, Bergen County, New Jersey
- Demetrius DuBose – professional football player – O'Dea High School, King County, Washington
- David Fales – professional football player – Palma School|Palma School, Salinas, California
- Jim Finn – professional football player – Bergen Catholic High School, Oradell, Bergen County, New Jersey
- Kyle Flood – college football coach – Iona College, New Rochelle, New York
- Jerry Flora – college football coach – Iona College, New Rochelle, New York
- Steve Furness – professional football player, Pittsburgh Steelers – Bishop Hendricken High School, Warwick, Rhode Island
- Andy Gallik – professional football player – Brother Rice High School
- Michael Gasperson – professional football player – Palma School, Salinas, California
- Chaz Green – professional football player – Tampa Catholic High School, Tampa, Florida
- Tim Grunhard – professional football player and coach – St Laurence High School, Chicago
- Rob Henry – professional football player – Trinity Catholic High School, Ocala, Florida
- Darrell Jackson – professional football player – Tampa Catholic High School, Tampa, Florida
- Jason Jefferson, NFL defensive lineman – Leo Catholic High School, Auburn-Gresham, Chicago
- Bob Kula – professional football player – Brother Rice High School, Bloomfield Township, Oakland County, Metro Detroit, Michigan
- T. J. Lang – professional football player – Brother Rice High School, Bloomfield Township, Oakland County, Metro Detroit, Michigan
- Mike Lodish – professional football player – Brother Rice High School, Bloomfield Township, Oakland County, Metro Detroit, Michigan
- Matt LoVecchio – college football player – Bergen Catholic High School, Oradell, Bergen County, New Jersey
- John Mara – football executive, co-owner of the New York Giants – Iona Preparatory School, New Rochelle, New York
- Taylor Mays – professional football player, Cincinnati Bengals – O'Dea High School, King County, Washington
- John Meyer – professional football player and coach – Brother Rice High School
- Bob Molinaro – professional baseball player – Essex Catholic High School, Newark and East Orange, New Jersey
- Kealoha Pilares, NFL player – Damien Memorial School, Honolulu, Hawaii
- Brian Reader – professional football player – Palma School, Salinas, California
- Darren Rizzi – professional football player and coach – Bergen Catholic High School, Oradell, Bergen County, New Jersey
- Rich Scanlon – professional football player – Bergen Catholic High School, Oradell, Bergen County, New Jersey
- Matt Sherry – professional football player, Cincinnati Bengals – Bishop Hendricken High School, Warwick, Rhode Island
- Brian Slocum – professional baseball player, Pittsburgh Pirates – Iona Preparatory School, New Rochelle, New York
- Stan Smagala – is a former American football safety in the National Football League for the Dallas Cowboys and Pittsburgh Steelers; played college football at the University of Notre Dame – St. Laurence High School, Chicago
- AJ Smith – football executive, San Diego Chargers – Bishop Hendricken High School, Warwick, Rhode Island
- Jim Sweeney – college football player and coach – Butte Central Catholic High School, Butte, Montana
- Elliot Vallejo – professional football player – Palma School, Salinas, California
- Chris Watson, NFL defensive back – Leo Catholic High School, Chicago
- Jim White – former professional football player – All Hallows High School, The Bronx, New York City
- Brennan Williams – professional football player – Catholic Memorial School, West Roxbury, Massachusetts
- Isaiah Williams – professional football player – Bergen Catholic High School, Oradell, Bergen County, New Jersey
Australian rules football
- Ben Allan – Hawthorn premiership player and Fremantle inaugural captain – Aquinas College, Perth
- Marcus Allan – Australian rules footballer for the Brisbane Lions – St Joseph's College, Gregory Terrace, Brisbane
- Stephen Alessio – St Joseph's College, Melbourne
- Gerry Bahen – North Melbourne – Aquinas College, Perth
- John Barker – St Joseph's College, Melbourne
- Jimmy Bartel – Australian rules footballer for the Geelong Football Club, AFL Premiership player 2007, 2009 and 2011, 2007 Brownlow Medalist, 2011 Norm Smith Medalist, All Australian 2007 and 2008 – St Joseph's College, Geelong, Victoria
- Glen Bartlett – West Coast Eagles and WA state representative – Trinity College, Perth
- Peter Bell – North Melbourne premiership player and Fremantle captain – Trinity College, Perth and Aquinas College, Perth
- Paul Bevan, AFL footballer for the Sydney Swans – St Edward's College, East Gosford, New South Wales
- Simon Black – AFL footballer and Brownlow Medal winner – Aquinas College, Perth
- Jude Bolton – Australian Rules footballer with the Sydney Swans – St Bernard's College, Melbourne
- Damian Bourke – former Australian rules footballer for the Geelong Football Club and Brisbane Bears – St Joseph's College, Geelong, Victoria
- Jordon Bourke – Australian rules Footballer for the – St Joseph's College, Melbourne
- Jacob Brennan – West Coast Eagles – Trinity College, Perth
- Michael Brennan – West Coast Eagles 1992 & 1994 vice-captain and premiership player – Trinity College, Perth
- Ray Brew – St Joseph's College, Melbourne
- John Bridgwood – Claremont, WA state representative – Aquinas College, Perth
- Brian Brown – Essendon Football Club – St Patrick's College, Ballarat, Victoria
- Mitch Brown – West Coast Eagles – St Patrick's College, Ballarat, Victoria
- Nathan Brown – Collingwood Football Club – St Patrick's College, Ballarat, Victoria
- Brian William Buckley – Musician, journalist and footballer – St. Augustine's College, Yarraville, Victoria
- John Cahill – Australian Rules Football player and coach – Christian Brothers College, Adelaide
- Allen Christensen – Australian rules footballer for the Brisbane Lions, AFL Premiership player 2011 for the Geelong Football Club – St Joseph's College, Geelong, Victoria
- Brian Ciccotosto – WAFL football player – Christian Brothers College, Fremantle, Western Australia
- Travis Colyer – Essendon – Trinity College, Perth
- Reece Conca – Richmond – Trinity College, Perth
- Edward Considine – St Joseph's College, Melbourne
- Tim Cook, former Adelaide Crows footballer – Rostrevor College, Adelaide
- David Crawford – Claremont premiership player and WA state representative – Aquinas College, Perth
- Patrick Cripps – AFL footballer – Aquinas College, Perth
- Cooper Cronk, Sydney Roosters and Queensland and Australia Rugby league player – St Laurence's College, Brisbane
- Jared Crouch, former Sydney Swans footballer – Rostrevor College, Adelaide
- Daryl Cunningham, AFL – St Paul's College, Ballarat, Victoria
- Geoff Cunningham, AFL footballer for St Kilda – St Paul's College, Ballarat, Victoria
- Ted Cusack – Footballer – St Joseph's Technical School, Abbotsford
- Luke Dahlhaus – Australian rules footballer for the Western Bulldogs – St Joseph's College, Geelong, Victoria
- Joe Daniher – Australian Rules footballer with the Essendon Bombers – St Bernard's College, Melbourne
- Neale Daniher, Essendon VFL footballer, 1979–1990 and later coach of the Melbourne Demons – St Patrick's College, Goulburn, Victoria
- Luke Darcy, former Western Bulldogs footballer and media personality – Rostrevor College, Adelaide
- Sam Darley – AFL Footballer – St Vergil's College, Hobart, Tasmania
- Jordan De Goey, Australian rules footballer – St Kevin's College, Melbourne
- Cory Dell'Olio – Australian Rules footballer Essendon Football Club – Christine Brothers College, Fremantle, Western Australia
- Ross Ditchburn – Carlton premiership player – Aquinas College, Perth
- Vin Doherty – Footballer – St Joseph's Technical School, Abbotsford
- Gerry Donnelly – St Joseph's College, Melbourne
- Frank Dunell – First Queenslander to play in a VFL/AFL Premiership playing for the Essendon Football Club – St Patrick's College, Shorncliffe, Brisbane
- Paul Duffield – Fremantle – Aquinas College, Perth
- Liam Duggan – West Coast Eagles – St Patrick's College, BallaratVictoria
- Mitch Duncan – Geelong 2011 premiership player – Trinity College, Perth
- Laurie Dwyer – St Joseph's College, Melbourne
- Leo Dwyer – St Joseph's College, Melbourne
- Kevin Dynon – St Joseph's College, Melbourne
- Andrew Embley – West Coast Eagles 2006 vice-captain, premiership player and Norm Smith Medal, Australian representative – Trinity College, Perth
- Alex Fasolo – Collingwood – Trinity College, Perth
- Tom Fitzmaurice – St Joseph's College, Melbourne
- Darcy Fogarty, Adelaide Crows footballer – Rostrevor College, Adelaide
- Garry Foulds – former Australian Rules footballer with the Essendon Bombers – St Bernard's College, Melbourne
- Anthony Franchina – St Joseph's College, Melbourne
- Neale Fraser , tennis player and former World number 1 – St Kevin's College, Melbourne
- Danny Frawley – Captain 1987–95 – St Kilda Football Club – St Patrick's College, Ballarat
- Tony Furey – St Joseph's College, Melbourne
- Nathan Fyfe – Fremantle, Brownlow Medal 2015 – Aquinas College, Perth
- Jeff Garlett – Carlton and Melbourne – Trinity College, Perth
- Simon Garlick, Australian rules footballer – St Kevin's College, Melbourne
- David Gault – South Fremantle premiership captain – Aquinas College, Perth
- John Gerovich – AFL football player – Christian Brothers College, Fremantle, Western Australia
- Adrian Gleeson, former Australian Rules Football player and current Carlton Football Club Board Member – Emmanuel College, Warrnambool
- Brian Gleeson – St Kilda Football Club – St Patrick's College, Ballarat, Victoria
- Shannon Grant – St Joseph's College, Melbourne
- Jack Green – St Joseph's College, Melbourne
- Jade Gresham, Australian Rules Football player, St Kilda – Parade College, Melbourne
- Shaun Grigg – Carlton Football Club – St Patrick's College, Ballarat, Victoria
- Tom Grljusich – Australian rules Football player – Christian Brothers College, Fremantle, Western Australia
- Robert Haddrill – Fremantle – Aquinas College, Perth
- Aaron Hamill – St Joseph's College, Melbourne
- Ben Hart, former Adelaide footballer and assistant coach – Rostrevor College, Adelaide
- John Harvey – St Joseph's College, Melbourne
- Mark Hannebery – St Joseph's College, Melbourne
- Isaac Heeney, Australian Rules Football player at the Sydney Swans – Waverley College, Sydney
- Evan Hewitt – North Melbourne Kangaroos and Adelaide – Trinity College, Perth
- Shaun Higgins – Australian rules footballer for the North Melbourne Football Club – St Joseph's College, Geelong, Victoria
- Josh Hill – Western Bulldogs and West Coast Eagles – Trinity College, Perth
- Craig Holden – North Melbourne, Sydney, WA state representative, Australian representative, All Australian 1987 – Trinity College, Perth
- Brodie Holland – AFL player for the Collingwood Football Club – St Virgil's College, Hobart, Tasmania
- Jack Hombsch, Port Adelaide footballer – Rostrevor College Adelaide
- Jacob Hopper – Greater Western Sydney Giants – St Patrick's College, Ballarat, Victoria
- Lachie Hunter, Australian rules footballer – St Kevin's College, Melbourne
- John James, Carlton Football Club 1961 – St Patrick's College, Ballarat, Victoria
- Jarrhan Jacky – Adelaide – Trinity College, Perth
- John James – Carlton Football Club – St Patrick's College, Ballarat, Victoria
- Alex Jesaulenko – Australian rules football player – St Edmund's College, Canberra
- Percy Johnson – East Fremantle premiership player, Swan Districts captain coach, and Claremont, WA state representative and Channel 7 football critic – Western Australian Football Hall of Fame 2010 – Aquinas College, Perth
- Tom Jonas, Port Adelaide footballer – Rostrevor College, Adelaide
- Ben Keays – AFL – St Joseph's College, Gregory Terrace, Brisbane
- Hayden Kennedy – Senior Australian Rules Football Umpire – St Bernard's College, Melbourne
- Neil Kerley, SANFL Football Legend, AFL Hall of Fame and media personality*Peter Marker, former Glenelg and SA football captain – Rostrevor College, Adelaide
- Daniel Kerr – West Coast Eagles premiership player – Aquinas College, Perth
- Laurie Kerr, a former Australian rules footballer with and founder of the Carlton Social Club at Princes Park – St Kevin's College, Melbourne
- Paul Koulouriotis – St Joseph's College, Melbourne
- Phonse Kyne, a former Australian rules footballer, captain and coach with Collingwood – St Kevin's College, Melbourne
- Allan La Fontaine, a former Australian rules footballer, captain and coach with – St Joseph's College, Melbourne and St Kevin's College, Melbourne
- Mark LeCras – West Coast Eagles – Aquinas College, Perth
- Tom Liberatore, Australian rules footballer with the Western Bulldogs – St Kevin's College, Melbourne
- Cameron Ling – Australian rules footballer for the Geelong Football Club and AFL Premiership player 2007 and 2009, Premiership captain 2011, Geelong Football Club Captain 2010–present – St Joseph's College, Geelong, Victoria
- Brad Lloyd – former Australian Rules footballer with Hawthorn – St Bernard's College, Melbourne
- Matthew Lloyd – Australian Rules footballer with the Essendon Bombers – St Bernard's College, Melbourne
- Kane Lucas – Carlton – Trinity College, Perth
- Quinten Lynch – West Coast Eagles premiership player, Collingwood – Aquinas College, Perth
- Justin Madden – Member of the Legislative Assembly for Essendon in the Victorian Parliament – St Bernard's College, Melbourne
- Simon Madden – former Australian rules footballer for the Essendon Bombers – St Bernard's College, Melbourne
- Shane Maguire, a former Australian rules footballer with – St Kevin's College, Melbourne
- Michael Malouf – former chief executive officer of City of Melbourne Council; Former chief executive officer of the Carlton Football Club – St Bernard's College, Melbourne
- Mick Malthouse, AFL footballer and coach for Footscray, West Coast Eagles, Collingwood and Carlton – St Paul's College, Ballarat, Victoria
- Ray Martin – Footballer – St Joseph's Technical School, Abbotsford
- Nick Maxwell – Australian rules footballer for the Collingwood Football Club, Captain 2009–present, Premiership captain 2010 – St Joseph's College, Geelong, Victoria
- Leo Maynes – Footballer – St Joseph's Technical School, Abbotsford
- Liam McBean – AFL Footballer for Richmond Football Club – St Bernard's College, Melbourne
- Patrick McCartin – Australian rules footballer for the St. Kilda Football Club, 2015 number 1 draft pick – St Joseph's College, Geelong, Victoria
- Jock McCorkell – St Joseph's College, Melbourne
- Alex McDonald – 1st draft pick 1988 – Hawthorn Football Club – St Patrick's College, Ballarat, Victoria
- Anthony McDonald – Melbourne Football Club – St Paul's College, Ballarat and St Patrick's College, Ballarat
- Donald McDonald – St Joseph's College, Melbourne, Victoria
- James McDonald AFL footballer for Melbourne and Greater Western Sydney – St Paul's College, Ballarat, Victoria
- Tom McDonald – Melbourne Football Club – St Patrick's College, Ballarat, Victoria
- Michael McGuane – Collingwood Football Club – St Patrick's College, Ballarat, Victoria
- Patrick McGinnity – West Coast Eagles – Trinity College, Perth
- Fraser McInnes – West Coast Eagles – Trinity College, Perth
- Simon McPhee – Claremont premiership coach – Aquinas College, Perth
- Sam Menegola – Australian Rules Footballer – Geelong Football Club – Christian Brothers College, Fremantle, Western Australia
- Jamie Merillo – Fremantle – Aquinas College, Perth
- Touk Miller, a current Australian rules footballer with – St Kevin's College, Melbourne
- Jarrod Molloy, Australian Rules Football player, Collingwood/Brisbane – Parade College
- Terry Moriarty – Perth, Sandover Medal 1943 – WA Football Hall of Fame 2010 – Trinity College, Perth
- Steven Morris – Australian rules footballer with the Richmond Tigers – St Bernard's College, Melbourne
- Tony Morwood, a former Australian rules footballer with Sydney Swans. A member of the Official Sydney Swans Team of the Century – St Kevin's College, Melbourne
- Len Murphy – Footballer – St Joseph's Technical School, Abbotsford
- Jake Neade – Port Adelaide Football Club – St Patrick's College, Ballarat, Victoria
- Gerard Neesham – Australian rules football player and inaugural Fremantle Football Club coach – Christian Brothers College, Fremantle, Western Australia
- Bill Nettlefold, Australian rules footballer – St Kevin's College, Melbourne
- Murray Newman – West Coast Eagles – Trinity College, Perth
- Tom Nicholls, Australian rules footballer – St Kevin's College, Melbourne
- Nick O'Brien – Essendon Football Club – St Patrick's College, Ballarat, Victoria
- David O'Connell – West Coast Eagles and Fitzroy – Trinity College, Perth
- John O'Connell – Geelong captain, WA state representative – WA Football Hall of Fame 2012 – Christian Brothers College, Perth
- Patrick John O'Dea – Australian rules footballer turned American football legend – Christian Brothers College, St Kilda, Melbourne
- Kevin O'Donnell – Australian rules footballer – Christian Brothers College, St Kilda, Melbourne
- Maurice O'Keefe, AFL footballer for St Kilda and Geelong – St Paul's College, Ballarat, Victoria
- Ryan O'Keefe, Australian rules footballer – St Kevin's College, Melbourne
- Stephen O'Reilly – Geelong and Carlton – Aquinas College, Perth
- David Ogg – Brisbane Bears – Trinity College, Perth
- Jesse Palmer – Port Adelaide Football Club – St Patrick's College, Ballarat, Victoria
- Luke Penny, Australian rules footballer – St Kevin's College, Melbourne
- Val Perovic, former AFL footballer for St Kilda and Carlton – St Paul's College, Ballarat, Victoria
- Drew Petrie – Vice-Captain 2009, Jason McCartney Medal 2008 – North Melbourne Football Club – St Patrick's College, Ballarat, Victoria
- Michael Pickering – North Melbourne Football Club – St Patrick's College, Ballarat, Victoria
- Jasper Pittard – Australian Rules Footballer for the Port Adelaide Football Club – St Joseph's College, Geelong, Victoria
- Stephen Powell, Australian rules footballer – St Kevin's College, Melbourne
- Con Regan – Australian rules Football player – Christian Brothers College, Fremantle, Western Australia
- Elkin Reilly, South Melbourne footballer – Rostrevor College, Adelaide
- Doug Reynolds – Footscray Football Club player – St Augustine's College, Yarraville, Victoria
- Barry Richardson – Member of 1967, 1969 and 1974 Premiership teams – Richmond Football Club – St Patrick's College, Ballarat, Victoria
- Jack Riewoldt – AFL player for the Richmond Football Club and 1X AFL Premiership Player – St Virgil's College, Hobart, Tasmania
- Matthew Rosa – West Coast Eagles – St Patrick's College, Ballarat, Victoria
- Ashley Sampi – West Coast Eagles, Mark of the Year 2004 – Trinity College, Perth
- Matthew Scarlett – Australian rules footballer for the Geelong Football Club and AFL Premiership player 2007, 2009 and 2011 –
- Ted Terry – outstanding schoolboy athlete, winner of the 1925 Burnie Gift, and AFL player for the St Kilda Football Club – St Virgil's College, Hobart, Tasmania
- Alan Toovey – Collingwood premiership player – Aquinas College, Perth* Murray Ward – Claremont, also coached Aquinas to 13 consecutive PSA premierships – Aquinas College, Perth
- Des Tuddenham – Collingwood Football Club – Ruck rover; Captain 1966–69, 1976, Collingwood Football Club; Captain/Coach 1972–75 – Essendon Football Club; South Melbourne Football Club 1978 – St Patrick's College, Ballarat, Victoria
- Peter Vivian, former Norwood FC captain and SA football player – Rostrevor College, Adelaide
- Corey Wagner – AFL Player for the North Melbourne Kangaroos – St Patrick's College, Shorncliffe
- Josh Wagner – AFL Player for the Melbourne Demons – St Patrick's College, Shorncliffe, Brisbane
- Frank Walker – Perth, WA state representative – Aquinas College, Perth
- Luke Webster – Fremantle and assistant coach at Carlton and West Coast Eagles – Trinity College, Perth
- Sharrod Wellingham – Collingwood 2010 premiership player and West Coast Eagles – Trinity College, Perth
- Sean Wellman – Australian rules footballer – St Paul's College, Adelaide
- Peter Walsh – Port Adelaide Football Club – St Patrick's College, Ballarat
- Sam Walsh - Carlton footballer - St Joseph's College, Geelong, Victoria
- Rohan Welsh – former Carlton footballer – St Bernard's College, Melbourne
- Brendan Whitecross – AFL Player for the Hawthorn Hawks – St Patrick's College, Shorncliffe, Brisbane
- Reuben William – AFL – St Joseph's College, Gregory Terrace, Brisbane
- Tom Williams – Australian Rules Footballer for the Western Bulldogs – St Joseph's College, Gregory Terrace, Brisbane
- Mitch Wallis, Australian rules footballer – St Kevin's College, Melbourne
- Ted Whitten – Footscray Football Club player – St. Augustine's College, Yarraville, Victoria
- Elliot Yeo – Brisbane Lions, West Coast Eagles – Aquinas College, Perth
- Clinton Young – Member of 2008 Premiership team – Hawthorn Football Club – St Patrick's College, Ballarat, Victoria
- Will Young – Adelaide Football Club – St Patrick's College, Ballarat, Victoria
- Conor McKenna – Australian rules footballer for Essendon, Australia; former Tyrone Gaelic footballer ; – St Patrick's Grammar School, Armagh
Baseball
- Josh Spence – Major League Baseball pitcher for the San Diego Padres – St Joseph's College, Geelong, Victoria
- Jim Adduci – professional baseball player – Brother Rice High School
- Rocco Baldelli – professional baseball player, Tampa Bay Rays – Bishop Hendricken High School, Warwick, Rhode Island
- Jeff Beliveau – professional baseball player, Tampa Bay Rays – Bishop Hendricken High School, Warwick, Rhode Island
- Mike Bertotti – professional baseball player, Chicago White Sox – Iona College, New Rochelle, New York
- John Boles, Major League Baseball manager and executive – Leo Catholic High School, Auburn-Gresham, Chicago
- Brent Bowers – professional baseball player – St. Laurence High School, Burbank, Chicago
- Rick Cerone – professional baseball player – Essex Catholic High School, Newark and East Orange, New Jersey
- Mark DeRosa – professional baseball player – Bergen Catholic High School, Oradell, Bergen County, New Jersey
- Joe DeSa, Major League Baseball first baseman – Damien Memorial School, Honolulu, Hawaii
- David Esquer – professional baseball player and coach – Palma School, Salinas, California
- Allen Greene – former baseball player at Notre Dame and New York Yankees; director of athletics of Auburn University – O'Dea High School, Seattle
- Kenny Kelly – professional baseball player – Tampa Catholic High School, Tampa, Florida
- DJ LeMahieu – professional baseball player – Brother Rice High School
- Dennis Leonard – professional baseball player, Kansas City Royals – Iona College, New Rochelle, New York
- Skip Lockwood – professional baseball player – Catholic Memorial School, West Roxbury, Massachusetts
- Pete Mackanin – professional baseball player, coach, and manager – Brother Rice High School
- Tino Martinez – professional baseball player – Tampa Catholic High SchoolIona Preparatory School
- L. J. Mazzilli, – professional baseball second baseman and shortstop; plays in Minor League Baseball for the New York Mets; played for the University of Connecticut – Iona Preparatory School, New Rochelle, New York
- Colin Moran – professional baseball player – Iona Preparatory School, New Rochelle, New York
- James Norwood, baseball player – All Hallows High School, The Bronx, New York City
- Jason Motte – professional baseball player, St. Louis Cardinals – Iona College, New Rochelle, New York
- Jim O'Toole – professional baseball player – Leo Catholic High School, Auburn-Gresham, Chicago
- Carlos Reyes – professional baseball player – Tampa Catholic High School, Tampa, Florida
- Denard Span – professional baseball player – Tampa Catholic High School, Tampa, Florida
- Chris Truby, Major League Baseball third baseman – Damien Memorial School, Honolulu, Hawaii
- John Tumpane – professional baseball player – St. Laurence High School, Burbank, Chicago
- Vito Valentinetti – professional baseball player, Chicago Cubs, Cleveland Indians, Chicago White Sox, Washington Senators – Iona College
- Craig Worthington – professional baseball player – Cantwell High School, Montebello, California
Basketball
- Martin Cattalini – NBL player Perth Wildcats, Adelaide 36ers – Christian Brothers College, Fremantle
- Josh Duinker, professional basketball player – St Pius X College, Chatswood, Sydney
- Matt Moore – NBL Championship with South East Melbourne Magic and later with Brisbane Bullets – St Joseph's College, Nudgee
- Olu Famutimi – professional basketball player – Chaminade College School
- Samara Gallaher – New Zealand Basketball Representative – Kavanagh College
- Kareem Abdul-Jabbar – hall-of-fame professional basketball player, Milwaukee Bucks, Los Angeles Lakers – Power Memorial Academy, New York City
- B. J. Armstrong – professional basketball player, Chicago Bulls – Brother Rice High School, Bloomfield Township, Oakland County, Metro Detroit, Michigan
- Sean Banks – professional basketball player, Idaho Stampede – Bergen Catholic High School, Oradell, Bergen County, New Jersey
- Andre Barrett – professional basketball player – Rice High School, Manhattan, New York
- Dick Bavetta – professional basketball referee – Power Memorial Academy, New York City
- Andre Brown, NBA forward – Leo Catholic High School, Auburn-Gresham, Chicago
- Kevin Burleson – professional basketball player – O'Dea High School, King County, Washington
- Steve Burtt, Sr. – former professional basketball player, Golden State Warriors – Iona College, New Rochelle, New York
- Keydren Clark – professional basketball player – Rice High School, Manhattan, New York
- Curtis Dennis – professional basketball player in Lebanon – Blessed Sacrament-St. Gabriel High School, New Rochelle, New York
- Jim Dwyer – professional baseball player – St. Laurence High School, Burbank, Chicago
- Mario Elie – professional basketball player and coach – Power Memorial Academy, New York City
- Len Elmore – professional basketball player – Power Memorial Academy, New York City
- Johnny Ezersky – professional basketball player – Power Memorial Academy, New York City
- Jarrid Famous – professional basketball player in China – Blessed Sacrament-St. Gabriel High School, New Rochelle, New York
- Chris Fouch – professional basketball player – Rice High School, Manhattan, New York
- Bobby Frasor – professional basketball player – Brother Rice High School
- Pete Gaudet – professional basketball coach – Iona Preparatory School, New Rochelle, New York
- Sean Green – professional basketball player, Philadelphia 76ers, Utah Jazz – Iona College, New Rochelle, New York
- Jerry Grote – professional basketball player, Los Angeles Lakers – Cantwell High School
- Richie Guerin – professional basketball player and coach, New York Knicks – Iona College, New Rochelle, New York
- Larry Hennessy – professional basketball player – Blessed Sacrament-St. Gabriel High School, New Rochelle, New York
- Phil Hicks – professional basketball player – Brother Rice High School
- Rico Hill – professional basketball player – Brother Rice High School
- Warren Isaac – professional basketball player and coach in Italy – Power Memorial Academy, New York City and Iona College, New Rochelle, New York
- Ty Jerome - college basketball point-guard for the University of Virginia - Iona Preparatory School, New Rochelle, New York
- Orlando Johnson – professional basketball player – Palma School, Salinas, California
- Curtis Kelly – professional basketball player – Rice High School, Manhattan, New York
- Tariq Kirksay – professional basketball player in Europe, France national basketball team – Iona College, New Rochelle, New York
- Kevin Knox, former basketball player for the Kentucky Wildcats – Tampa Catholic High School, Tampa, Florida
- Ricky Ledo – professional basketball player, New York Knicks – Bishop Hendricken High School, Warwick, Rhode Island
- Felipe López – professional basketball player – Rice High School, Manhattan, New York
- Kevin Loughery – professional basketball player, Detroit Pistons, Baltimore Bullets, player and coach, Philadelphia 76ers – Cardinal Hayes High School, the Bronx, New York City
- Brendan Malone – professional basketball coach – Iona College, New Rochelle, New York
- Mike Malone – professional basketball coach, Denver Nuggets – Bishop Hendricken High School, Warwick, Rhode Island
- Jamal Mashburn – professional basketball player, Dallas Mavericks, Miami Heat, New Orleans Hornets – Cardinal Hayes High School, the Bronx, New York City
- Dean Meminger – professional basketball player and coach – Rice High School, Manhattan, New York
- Kevin O'Connor – professional basketball executive, Utah Jazz – Monsignor Farrell High School, Oakwood, Staten Island, New York
- Stan Patrick, professional basketball player – Leo Catholic High School, Auburn-Gresham, Chicago
- Olden Polynice – professional basketball player – All Hallows High School, The Bronx, New York City
- Clint Richardson Jr. – professional basketball player – O'Dea High School, King County, Washington
- Russell Robinson – professional basketball player – Rice High School, Manhattan, New York
- Ryan Rossiter – professional basketball player – Monsignor Farrell High School, Oakwood, Staten Island, New York
- E. J. Rowland – professional basketball player, Bulgarian national team – Palma School, Salinas, California
- Jeff Ruland – professional basketball player, Golden State Warriors, Washington Bullets, Philadelphia 76ers, college basketball coach – Iona College
- Joel Rutkowski – professional basketball player – Iona College, New Rochelle, New York
- Kenny Satterfield – professional basketball player – Rice High School, Manhattan, New York
- Durand Scott – professional basketball player – Rice High School, Manhattan, New York
- Shawnelle Scott – professional basketball player – All Hallows High School, The Bronx, New York City
- Edgar Sosa – professional basketball player – Rice High School, Manhattan, New York
- Mindaugas Timinskas – professional basketball player in Europe, Lithuanian national basketball team – Iona College, New Rochelle, New York
- Kemba Walker – professional basketball player – Rice High School, Manhattan, New York
- Charlie Yelverton – professional basketball player – Rice High School, Manhattan, New York
Boxing
- Tony Madigan, Olympic Games boxing bronze medallist – Waverley College
- John Joe Nevin Irish professional boxer; two-time Olympian, and a London 2012 silver medalist – Coláiste Mhuire, Mullingar, County Westmeath
- Barney Clarke – champion New Zealand boxer – St Peter's College, Auckland
- Bert Lowe – boxer; represented New Zealand at the 1932 Olympic Games in Los Angeles; as a professional, won the New Zealand national professional middleweight title in 1933 – Christian Brothers School, Dunedin
- Brian Verdon McCleary – New Zealand and Australasian amateur and professional light-heavyweight and heavyweight boxing champion – Christian Brothers School, Dunedin
- Kevin Lawrence Skinner – champion heavy weight boxer – St Kevin's College, Oamaru
- Josh Kelly – competitor in the men's welterweight event at the 2016 Summer Olympics – St Aidan's Catholic Academy, Sunderland
- Peter McGrail, 2018 Commonwealth Games, Gold medallist, Boxing, 56kg – St Edward's College, Liverpool
Canadian football
- Jon Cornish – professional football player – St. Thomas More Collegiate, Burnaby, British Columbia
- Tyson Craiggs – professional football player – St. Thomas More Collegiate, Burnaby, British Columbia
- Calvin McCarty – professional football player – St. Thomas More Collegiate, Burnaby, British Columbia
- Carroll Williams – American player of gridiron football; teacher and principal in Dade County Public School District – Archbishop Curley-Notre Dame High School, Buena Vista, Miami
Cricket
- Terry Alderman – Australian test cricketer – Aquinas College, Perth
- Cameron Bancroft – Australian test cricketer – Aquinas College, Perth
- Jeremy Bray, an Irish cricketer – Christian Brothers' High School, Lewisham
- Ernest Bromley – Former Australian cricketer – Christian Brothers College, Perth
- Joseph Anthony Burn cricketer for the Brisbane Heat in the KFC T20 Big Bash League, the Queensland in Australian domestic cricket and Australia at Test and ODI levels – St Joseph's College Nudgee
- Beau Casson – Australian Test Cricketer – Trinity College, Perth
- Sean Clingeleffer – Cricketer; Tasmanian wicketkeeper – St Virgil's College, Hobart, Tasmania
- Nathan Coulter-Nile – Australian cricketer – Aquinas College, Perth
- Ernie Crossan, former New South Wales representative cricketer – St Patrick's College, Strathfield
- Adam Dale, Australian Cricketer – Parade College
- Liam Devlin – plays for Clarence and Tasmania Tigers – St Virgil's College, Hobart
- Michael Di Venuto – Tasmanian Tigers and Derbyshire County Cricketer – St Virgil's College, Hobart, Tasmania
- Jack Fingleton, former Australian cricketer, journalist and political commentator – Waverley College
- Harry Gorringe – Cricketer – first-class Western Australia – Trinity College, Perth
- Daniel Harris, former South Australian state cricketer – Rostrevor College
- Roger Hartigan, a test cricket player – Christian Brothers' High School, Lewisham
- Nathan Hauritz is an Australian former cricketer who has represented Australia in Tests, One-dayers and Twenty20 Internationals; mainly noted for his off-spin bowling – St Joseph's College, Nudgee
- Jack Hill – Australian and Victorian cricketer – St Patrick's College, Ballarat
- Brad Hogg – Australian test cricketer – Aquinas College, Perth
- Caleb Jewell, Australian cricketer, plays for North Hobart and Tasmanian Tigers – St Virgil's College, Hobart, Tasmania
- Simon Katich – Australian Test Cricketer – Trinity College, Perth
- Justin Langer – Australian Test Cricketer – Aquinas College, Perth
- Christopher Austin Lynn cricketer, right-handed middle order batsman for the Queensland Bulls in the Australian domestic cricket competitions – St Joseph's College, Nudgee
- James Patrick Maher is an Australian former cricketer, who played One Day Internationals – St Joseph's College, Nudgee
- Mick Malone – Australian Test Cricketer – Trinity College, Perth
- Dimitri Mascarenhas – England international cricketer – Trinity College, Perth
- Leo O'Brien – Australian test cricketer – St Patrick's College, Ballarat
- Craig Serjeant, vice captain – Australian Test Cricketer – Trinity College, Perth
- Mitchell Joseph Swepson is an Australian cricketer – St Joseph's College, Nudgee
- Timm van der Gugten, Professional Cricketer who plays for the Netherlands, the Tasmanian Tigers and the Hobart Hurricanes in the Big Bash League – St Pius X College, Chatswood, Sydney
- Tim Zoehrer – Australian Test Cricketer – Trinity College, Perth
- Ashish Bagai – professional cricketer – St. Columba's School, Delhi
- Arun Lal – professional cricketer – St Columba's School
- Natwar Lal Modi – businessman and cricket administrator – St Columba's School
- Vivek Razdan, cricketer and commentator – St Columba's School, Delhi
- Kenny Carroll, Irish cricketer – Oatlands College, Mount Merrion, County Dublin
- Thomas Williams, cricketer – Synge Street CBS
- Nicholas Beard – Otago Cricket and New Zealand XI Representative – Kavanagh College, Dunedin
- Michael Bracewell – Otago Cricket Representative; represented New Zealand as a member of the under 19 team – Kavanagh College, Dunedin
- Sean Eathorne – Otago Cricket Representative – Kavanagh College, Dunedin
- Anthony Harris – Otago Cricket Representative – Kavanagh College, Dunedin
- Martin Pringle, representative cricket player in New Zealand A – St Peter's College, Auckland
- Darron Reekers International cricketer – St Thomas of Canterbury College, Christchurch
- Antony Sumich – rugby union and cricket international, priest of Priestly Fraternity of Saint Peter – St Peter's College, Auckland
- Dominic Cork, England cricketer – St Joseph's College, Stoke-on-Trent
- Charles Coventry – professional cricketer – Christian Brothers College, Bulawayo
- Mark Dekker – professional cricketer – Christian Brothers College, Bulawayo
- Keegan Meth – professional cricketer – Christian Brothers College, Bulawayo
Football (soccer)
- Ross Aloisi, former Socceroo and Adelaide United captain – Rostrevor College, Adelaide
- John Aloisi, former Socceroo, FIFA World Cup player, responsible for the greatest moment in Australian soccer – Rostrevor College, Adelaide
- Brandon Borrello, Australian soccer player – St Columban's College, Caboolture, Queensland
- Raphael Bove, footballer – Christian Brothers' High School, Lewisham, Sydney
- Oliver Bozanic, footballer for the FC Luzern – St Edward's College, East Gosford, New South Wales
- Zenon Caravella – Former FC Omniworld player, former Adelaide United player and former Newcastle Jets player. Founded Caravella Football Academy – St Mary's Cathedral College, Sydney
- Alvin Ceccoli – Former footballer for the Sydney FC, Central Coast Mariners and Adelaide United – St Mary's Cathedral College, Sydney
- Shannon Cole, Australian football player for Sydney FC and Western Sydney Wanderers FC – St Patrick's College, Strathfield, Sydney
- Cameron Edwards – soccer player Reading F.C. and Perth Glory player – Christian Brothers College, Fremantle, Western Australia
- Ryan Edwards – soccer player at Reading F.C. and Perth Glory player – Christian Brothers College, Fremantle, Western Australia
- Gary Faria – soccer player Perth Glory – Christian Brothers College, Fremantle, Western Australia
- Diogo Ferreira – A-League player for Melbourne Victory and Socceroo – St Bernard's College, Melbourne
- Iain Fyfe – Former Adelaide United FC and Sydney FC player – St Paul's College, Adelaide
- Alex Gersbach - professional footballer who plays as a left back for AGF and the Australia national team - St Patrick's College, Sutherland, New South Wales
- Brett Holman, footballer – Christian Brothers' High School, Lewisham, Sydney
- Paul Izzo, Adelaide United soccer player – Rostrevor College, Adelaide
- Bruce Kamau, former Adelaide United and current Melbourne City soccer player – Rostrevor College, Adelaide
- Patrick Kisnorbo – Socceroo – St Bernard's College, Melbourne
- Andrew Koczka, footballer – Christian Brothers' High School, Lewisham, Sydney
- Massimo Luongo, footballer, Australian Socceroo representative, Queens Park Rangers and formerly of Swindon Town F.C. – Waverley College, Sydney
- Ante Milicic, Australian football player – St Patrick's College, Strathfield, Sydney
- Massimo Murdocca, Association Football player, Brisbane Roar/Melbourne City – Parade College, Melbourne
- Shaun Murphy – Socceroos 2001 Confederation Cup, Notts County 1992–1997, West Bromwich Albion 1997–1999, Sheffield United 1999–2003. Crystal Palace 2001–2002, & Perth Glory captain 2003–2004 – Trinity College, Perth
- Connor Thomas Pain, professional football player; plays as a forward for Central Coast Mariners and has played for Melbourne Victory. St Kevin's College, Melbourne
- John Perin – Soccer player – Christian Brothers College, Adelaide
- Ryan Schoenmakers – AFL player for Hawthorn – St Paul's College, Adelaide
- Ante Seric – soccer player – Christian Brothers College, Burwood, Brisbane
- Matthew Spiranovic – Association Footballer for the Socceroos and Qatar Stars League team Al-Arabi – St Joseph's College, Geelong, Victoria
- Greg Stafford, an AFL player for Sydney Swans and Richmond Tigers – Christian Brothers' High School, Lewisham, Sydney
- Peter Triantis – Current central midfielder for the Sydney FC – St Mary's Cathedral College, Sydney
- Miguel Cañizalez – professional soccer player – Chaminade College School, Toronto
- Alecko Eskandarian – professional soccer player and coach – Bergen Catholic High School, Oradell, Bergen County, New Jersey
- Keith Andrews – professional soccer player, Blackburn Rovers – Ardscoil Rís, Dublin
- Andy Boyle – footballer with Preston North End and the Irish national team – Coláiste Phádraig, Lucan, County Dublin
- Liam Brady, former Republic of Ireland footballer – St Aidan's C.B.S.
- Conan Byrne – professional soccer player – Ardscoil Rís, Dublin
- John Coady, footballer – Synge Street CBS, Dublin
- Cormac Costello – professional soccer player – Ardscoil Rís, Dublin
- Diarmuid Connolly – professional soccer player – Ardscoil Rís, Dublin
- Kenny Cunningham – Republic of Ireland international footballer – St. Vincent's C.B.S. Glasnevin, Dublin
- Ian Daly – Footballer playing for Dulwich Hamlet in the lower divisions of the English football leagues – Coláiste Eoin, Booterstown, County Dublin
- Peter Farrell, Captain of Everton F.C. and won a total of 35 caps for Ireland for the FAI XI and IFA XI in soccer – C.B.C. Monkstown, Dún Laoghaire, County Dublin
- Michael Fitzsimons, All-Ireland Senior Football Championship winning corner back for the Dublin Gaelic football team – C.B.C. Monkstown, Dún Laoghaire, County Dublin
- Pat Gilroy – professional soccer player and manager – Ardscoil Rís, Dublin
- Don Givens, footballer – Synge Street CBS, Dublin
- Dessie Glynn – Republic of Ireland international soccer – St. Vincent's C.B.S. Glasnevin, Dublin
- Tommy Hamilton, footballer – Synge Street CBS, Dublin
- Owen Heary, Irish professional football defender and manager – St Declan's College, Dublin
- Alan Judge – professional footballer – Clonkeen College, South Dublin
- Paddy Kavanagh, footballer – Oatlands College, Mount Merrion, County Dublin
- Paul Keegan Irish professional footballer; captain of League of Ireland side Waterford – St Declan's College, Dublin
- Harry Kenny retired Irish footballer for Shamrock Rovers – St Declan's College, Dublin
- Andy Keogh, Republic of Ireland soccer international – C.B.C. Monkstown, Dún Laoghaire, County Dublin
- Bertie Kerr – Ireland football international and bloodstock agent – O'Connell School, Dublin
- Mark Kinsella, former Republic of Ireland footballer – St Aidan's C.B.S.
- Darragh Markey - footballer with St. Patrick's Athletic, winner of Centenary Shield with Ireland – Coláiste Phádraig
- Con Martin – Soccer player and Gaelic Football – St. Vincent's C.B.S. Glasnevin, Dublin
- Mick Martin – Soccer player – St. Vincent's C.B.S. Glasnevin, Dublin
- David McGill, former professional footballer – Synge Street CBS, Dublin
- Derek McGrath – ex-footballer with Brighton & Hove Albion F.C. – Coláiste Phádraig, Lucan, County Dublin
- Dave Mooney, professional footballer – Coláiste Éanna, Ballyroan, Dublin
- Kevin Moran, former Gaelic footballer – Drimnagh Castle Secondary School, Dublin
- Darren O'Dea – professional footballer who plays as a centre-back for Scottish Premiership club Dundee – Clonkeen College, South Dublin
- Anton O'Toole, footballer – Synge Street CBS, Dublin
- Richie Partridge, former Irish footballer represented – St Declan's College, Dublin
- Andy Reid, footballer – Synge Street CBS, Dublin
- Shane Supple, former professional footballer; goalkeeper for English club Ipswich Town and League of Ireland club Bohemians – St Declan's College, Dublin
- Troy Parrott, professional footballer for English Premier League side Tottenham Hotspur – O'Connell School, Dublin
- Niall Quinn, former professional footballer for English Premier League teams Arsenal, Manchester City and Sunderland during the 1980s, 1990s and 2000s; 92 caps for the Republic of Ireland national football team; businessman – Drimnagh Castle Secondary School, Dublin
- Tomás Quinn – professional soccer player – Ardscoil Rís, Dublin
- Ciarán Whelan – professional soccer player – Ardscoil Rís, Dublin
- Liam Whelan, footballer and Busby babe – Synge Street CBS, Dublin
- Myer Bevan, professional footballer; plays for Swedish team Husqvarna FF in Division 1 Södra on loan from Vancouver Whitecaps FC, and the New Zealand national football team – St Peter's College, Auckland
- Andrew Boyens – professional New Zealand Footballer, member of the All Whites at the 2010 World Cup – Kavanagh College
- David Browne – Papua New Guinea footballer – St Peter's College, Auckland
- Michael James Fitzgerald – association football player, represented New Zealand at international level, plays club football for V-Varen Nagasaki on loan from Albirex Niigata – St Peter's College, Auckland
- Adam Highfield – professional soccer player – St Thomas of Canterbury College, Christchurch
- Ryan Nelsen, international soccer player; captain of the All Whites, the New Zealand national football team – St Thomas of Canterbury College, Christchurch
- Paul Urlovic – New Zealand representative soccer player; striker; first selected for the New Zealand national football team, the All Whites in 1997; 33 caps – Liston College, Henderson, Auckland
- Ivan Vicelich – New Zealand representative soccer player; 88 international caps between 1995 and 2013 – Liston College, Henderson, Auckland
- Ivan Vuksich, New Zealand soccer administrator – St Peter's College, Auckland
- Kim Wright – New Zealand representative soccer player; selected for the New Zealand national football team, the All Whites in 1990 – Liston College, Henderson, Auckland
- Randi Patterson – professional soccer player – Bergen Catholic High School, Oradell, Bergen County, New Jersey
- Seán Connor, footballer, manager of Sligo Rovers F.C. – St Mary's Christian Brothers' Grammar School, Belfast
- Alex Cribley, footballer, Liverpool F.C. & Wigan Athletic F.C. – St Edward's College, Liverpool
- Peter Davenport, former footballer with Nottingham Forest F.C., Manchester United F.C., Middlesbrough F.C., Sunderland A.F.C. – St Anselm's College, Birkenhead, Liverpool
- Kevin Dillon – former Portsmouth, Newcastle United, and Birmingham City footballer. Now assistant manager at Reading – St Aidan's Catholic Academy, Sunderland
- Mickey Evans – former footballer, Plymouth Argyle – St Boniface's Catholic College, Plymouth, Devon
- Mick Harford – football manager and former Sunderland and Newcastle United footballer – St Aidan's Catholic Academy, Sunderland
- Micky Hazard – former Tottenham Hotspur and Chelsea footballer – St Aidan's Catholic Academy, Sunderland
- Lee Howey – former Sunderland A.F.C. footballer and author – St Aidan's Catholic Academy, Sunderland
- Steve Howey – former Newcastle United footballer – St Aidan's Catholic Academy, Sunderland
- Harry Kane, footballer with Tottenham Hotspur, Manchester United F.C., Middlesbrough F.C., Sunderland A.F.C. – St Anselm's College, Birkenhead
- Peter Kilfoyle, Labour MP from 1991 to 2010 for Liverpool Walton – St Edward's College, Liverpool
- Chris Malkin, former footballer with Tranmere Rovers – St Anselm's College, Birkenhead
- Joe Mason – footballer, Cardiff City – St Boniface's Catholic College, Plymouth, Devon
- Conor McLaughlin, Preston North End footballer, international playing for Northern Ireland – St Mary's Christian Brothers' Grammar School, Belfast
- Harry McKirdy, footballer – St Joseph's College, Stoke-on-Trent
- Alex Meechan – former footballer, Swindon Town – St Boniface's Catholic College, Plymouth, Devon
- Mark Palios, former Chief executive of The Football Association and owner of Tranmere Rovers F.C. – St Anselm's College, Birkenhead
- Lee Robinson – former Rangers and current Queen of the South footballer – St Aidan's Catholic Academy, Sunderland
- Dan Smith – former Sunderland and Aberdeen footballer – St Aidan's Catholic Academy, Sunderland
- Martin Smith – current Kilmarnock footballer – St Aidan's Catholic Academy, Sunderland
- Scott Wootton, Leeds United F.C. – St Anselm's College, Birkenhead
- Eddie Henderson – professional soccer player– O'Dea High School, King County, Washington
- John Wolyniec – professional soccer player – Monsignor Farrell High School, Oakwood, Staten Island, New York
- DeAndre Yedlin – professional soccer player, Tottenham Hotspur F.C.– O'Dea High School, King County, Washington
- Joseph Iaruel, Vanuatuan international footballer, Vanuatu national team – St Peter's College, Auckland
Golf
- Bruce Devlin, golfer – St Patrick's College, Goulburn
- Oliver Goss – Professional golfer -Christian Brothers College, Fremantle
- Peter Toogood – Former Australian Amateur Golf Champion – St Virgil's College, Hobart, Tasmania
- Jeev Milkha Singh – Golf – Received Arjuna Award – St. John's High School, Chandigarh
- Pádraig Harrington, professional golfer – Coláiste Éanna, Ballyroan, Dublin
- Paul McGinley, professional golfer – Coláiste Éanna, Ballyroan, Dublin
- Frank Nobilo CNZM – professional golfer; New Zealand representative – St Peter's College, Auckland
- Ronan Rafferty, Irish golfer – Abbey Christian Brothers' Grammar School, Newry, County Down, Northern Ireland
- Jim Albus – Champions Tour professional golfer – Monsignor Farrell High School, Oakwood, Staten Island, New York
- Bill Britton – PGA Tour professional golfer – Monsignor Farrell High School, Oakwood, Staten Island, New York
- Lance Ten Broeck – PGA Tour, Nationwide Tour and Champions Tour professional golfer – Brother Rice High School
- Fred Couples – PGA Tour and Champions Tour professional golfer– O'Dea High School, King County, Washington
- Allen Doyle – professional golfer – Catholic Memorial School, West Roxbury, Massachusetts
- Butch Harmon – golf instructor – Iona Preparatory School, New Rochelle, New York
- Dudley Hart – professional golfer – Archbishop Curley-Notre Dame High School, Buena Vista, Miami, Florida
- Jim McGovern – professional golfer – Bergen Catholic High School, Oradell, Bergen County, New Jersey
- Tony Johnstone – professional golfer – Christian Brothers College, Bulawayo
Ice hockey
- Gino Cavallini – professional hockey player – Chaminade College School, Toronto
- Paul Cavallini – professional hockey player – Chaminade College School, Toronto
- Kris Chucko – professional hockey player – St. Thomas More Collegiate, Burnaby, British Columbia
- Jim Fahey – professional hockey player – Catholic Memorial School, West Roxbury, Massachusetts
- Mark Giordano – professional hockey player – Chaminade College School, Toronto
- Paul Stanton – professional hockey player and coach – Catholic Memorial School, West Roxbury, Massachusetts
- Kyle Turris – professional hockey player – St. Thomas More Collegiate, Burnaby, British Columbia
- Michael Vernace – professional hockey player – Chaminade College School, Toronto
- Jason Woolley – professional hockey player – Chaminade College School, Toronto
- Jim Carey – professional hockey player – Catholic Memorial School, West Roxbury, Massachusetts
- Ted Donato – professional hockey player and coach – Catholic Memorial School, West Roxbury, Massachusetts
- Dan Dorion – professional hockey player – All Hallows High School, The Bronx, New York City
- David Emma – professional hockey player, Hobey Baker Award recipient – Bishop Hendricken High School, Warwick, Rhode Island
- Rob Gaudreau – professional hockey player, San Jose Sharks, Ottawa Senators – Bishop Hendricken High School, Warwick, Rhode Island
- Brian Mullen – professional hockey player – Power Memorial Academy, New York City
- Joe Mullen – hall-of-fame professional hockey player – Power Memorial Academy, New York City
- Chris Nilan – professional hockey player – Catholic Memorial School, West Roxbury, Massachusetts
- Ed Olczyk – hall-of-fame professional hockey player and coach – Brother Rice High School
- Chris O'Sullivan – professional ice hockey player – Catholic Memorial School, West Roxbury, Massachusetts
- Jack Parker – college hockey coach – Catholic Memorial School, West Roxbury, Massachusetts
- Greg Pateryn – professional hockey player – Brother Rice High School, Bloomfield Township, Oakland County, Metro Detroit, Michigan
Irish sports (Gaelic football and Hurling)
- John Allen, retired hurler and Gaelic footballer who played as a forward in both codes for the Cork senior teams – Marino Institute of Education, Dublin
- Gerald Boland Hurler; played for the first Kevin's Hurling club – Synge Street CBS, Dublin
- Kevin Bonner, Gaelic footballer who has played inter-county for Dublin – St Declan's College, Dublin
- David Breen, Limerick hurler – Ardscoil Rís, Limerick
- Alan Brogan, former Gaelic footballer from the St Oliver Plunketts/Eoghan Ruadh club; played inter-county with Dublin – St Declan's College, Dublin
- Bernard Brogan, Gaelic footballer for the St Oliver Plunketts/Eoghan Ruadh club; plays inter-county for Dublin – St Declan's College, Dublin
- Bernard Brogan former Gaelic footballer for St Oliver Plunketts/Eoghan Ruadh – St Declan's College, Dublin
- Jim Brogan, former inter-county Gaelic footballer for Dublin – St Declan's College, Dublin
- Paul Caffrey – Gaelic Footballer – St. Vincent's C.B.S. Glasnevin, Dublin
- Barry Cahill Gaelic footballer for St Brigid's in Castleknock; represented his county and his province Leinster – St Declan's College, Dublin
- Paddy Carr, GAA manager – Oatlands College, Mount Merrion, County Dublin
- Michael Carton, hurler for the Dublin senior team – St Declan's College, Dublin
- Peadar Carton, ; hurler plays inter-county senior hurling for Dublin and for his club O'Tooles – St Declan's College, Dublin
- Paddy Christie, Gaelic footballer – St Aidan's C.B.S.
- Senan Connell, former Gaelic footballer from Dublin for Na Fianna on Dublins Northside – St Declan's College, Dublin
- Diarmuid Connolly, Dublin GAA senior Gaelic footballer – Ardscoil Rís, Dublin
- Cormac Costello, Dublin GAA senior Gaelic footballer – Ardscoil Rís, Dublin
- Donal Óg Cusack, former inter-county hurler and now a TV presenter with RTÉ – Midleton CBS Secondary School
- Kieran Donaghy, Gaelic Footballer – St Mary's CBS, Tralee, County Kerry
- Joe Deane – professional hurler – Midleton CBS Secondary School
- Shane Dowling Limerick GAA Joint Captain of Harty Cup winning side in 2011. Limerick hurler from 2012 to present – Ardscoil Rís, Limerick
- Kevin Downes, Limerick hurler – Ardscoil Rís, Limerick
- Tommy Drumm, Gaelic footballer – St Aidan's C.B.S.
- Nicky English, hurler, manager and broadcaster – The Abbey School
- Ronan Fallon, Dublin senior hurling player – Ardscoil Rís, Dublin
- Dessie Farrell – Gaelic Football, Hockey and CEO – St. Vincent's C.B.S. Glasnevin, Dublin
- Andy Fleming, hurler for Mount Sion GAA – Mount Sion School
- John Galvin – Ardscoil Rís, Limerick
- Pat Gilroy, former Dublin senior Gaelic football manager – Ardscoil Rís, Dublin
- Oisin Gough – Dublin Hurler – Clonkeen College, South Dublin
- Tommy Griffin, Gaelic Footballer for Kerry senior inter-county team – Dingle CBS
- Phil Grimes, hurler for Mount Sion GAA – Mount Sion School
- Larry Guinan, hurler for Mount Sion GAA – Mount Sion School
- Canice Hickey, hurler for Kilkenny – Coláiste Éamann Rís, Callan, County Kilkenny
- Noel Hickey, Kilkenny senior hurler – Coláiste Éamann Rís, Callan, County Kilkenny
- Darach Honan Clare GAA Clare hurler 2010 to present – Ardscoil Rís, Limerick
- John Horan – President of GAA – St. Vincent's C.B.S. Glasnevin, Dublin
- John Keane, hurler for Mount Sion GAA – Mount Sion School
- Declan Lally or Déaglán Ó Maolalaidh, Gaelic footballer for the Dublin senior football team – St Declan's College, Dublin
- Conor Lehane – professional hurler – Midleton CBS Secondary School
- Tommy Lyons – retired Irish Gaelic football manager – Clonkeen College, South Dublin
- Johnny McCaffery – ex-captain of the Dublin hurling team – Coláiste Phádraig, Lucan, County Dublin
- Aodán Mac Gearailt, Gaelic Footballer for Kerry senior inter-county team – Dingle CBS
- Con Martin – Gaelic Footballer and Soccer player – St. Vincent's C.B.S. Glasnevin, Dublin
- Ollie Moran Limerick GAA Limerick hurler from 1997 to 2009 – Ardscoil Rís, Limerick
- Kevin Moran, former Gaelic footballer – Drimnagh Castle Secondary School, Dublin
- Colin Moran, Dublin footballer – Coláiste Éanna, Ballyroan, Dublin
- Paddy Moran, Gaelic footballer – St Aidan's C.B.S.
- Sylvestor Muldowney, hurler with Dublin in 1930s. Also an accomplished rugby player – Synge Street CBS, Dublin
- Diarmuid Murphy, Gaelic Footballer for Kerry senior inter-county team – Dingle CBS
- Alan Nolan, ; hurler for Dublin and St Brigid's – St. Declan's College, Dublin – St Declan's College, Dublin
- Kevin Nolan, Gaelic footballer for Dublin and Kilmacud Crokes – St Declan's College, Dublin and Clonkeen College, South Dublin
- Ross O'Carroll, hurler – Oatlands College, Mount Merrion, County Dublin
- Dara Ó Cinnéide, Gaelic Footballer for Kerry senior inter-county team – Dingle CBS
- Donal Óg Cusack – former professional hurler, television presenter – Midleton CBS Secondary School
- Luke O'Farrell – professional hurler – Midleton CBS Secondary School
- Rónán Ó Flatharta, Gaelic Footballer for Kerry senior inter-county team – Dingle CBS
- Marty O'Reilly, Gaelic footballer for the Donegal senior football team, and for Seán MacCumhaill's of Ballybofey – Marino Institute of Education, Dublin
- Paul Griffin, Gaelic footballer – Oatlands College, Mount Merrion, County Dublin
- Martin Óg Morrissey, hurler for Mount Sion GAA – Mount Sion School
- Darragh Ó Sé, Gaelic Footballer for An Ghaeltacht and previously for Kerry senior inter-county team – Dingle CBS
- Marc Ó Sé, Gaelic Footballer for Kerry senior inter-county team – Dingle CBS
- Páidí Ó Sé, Gaelic Footballer for Kerry senior inter-county team – Dingle CBS
- Tomás Ó Sé, Gaelic Footballer for Kerry senior inter-county team – Dingle CBS
- Diarmuid O'Sullivan – professional hurler – Midleton CBS Secondary School
- Paudie O'Sullivan – professional hurler – Midleton CBS Secondary School
- Tomas Quinn, Dublin GAA senior Gaelic footballer – Ardscoil Rís, Dublin
- Conor Ryan Clare GAA Clare hurler. Munster and All Ireland U21 Hurling medal winner 2012 – Ardscoil Rís, Limerick
- Paul Ryan, Dublin hurler – Coláiste Éanna, Ballyroan, Dublin
- Derek Savage, former inter-county Gaelic football player for Galway; All-Ireland medal winner in 1998 and 2001 – St. Patrick's College, Tuam
- Donncha Sheehan Limerick hurler from 2003 to 2009 and All-Ireland Under 21 Hurling Championship winning captain in 2000 – Ardscoil Rís, Limerick
- Jason Sherlock – Gaelic Football – St. Vincent's C.B.S. Glasnevin, Dublin
- Frank Stockwell Gaelic footballer for the Tuam Stars; member of the Galway, Louth and London inter-county teams from 1949 to 1960; All-Ireland medal winner with Galway in 1956 – St. Patrick's College, Tuam
- David Treacy – Dublin Hurler – Clonkeen College, South Dublin
- Frankie Walsh, hurler for Mount Sion GAA – Mount Sion School
- Ciarán Whelan, Dublin GAA senior Gaelic footballer – Ardscoil Rís, Dublin
- Joe Brolly – Derry Gaelic footballer, journalist, Barrister – St Patrick's Grammar School, Armagh
- Rónán Clarke – Armagh Gaelic footballer – St Patrick's Grammar School, Armagh
- Sean Cavanagh – Tyrone Gaelic footballer – St Patrick's Grammar School, Armagh
- Colm Cavanagh – Tyrone Gaelic footballer – St Patrick's Grammar School, Armagh
- Joe Kernan, Gaelic football manager – Abbey Christian Brothers' Grammar School, Newry, County Down, Northern Ireland
- Cormac McAnallen – Tyrone Gaelic footballer – St Patrick's Grammar School, Armagh
- Oisin McConville – Armagh Gaelic footballer – St Patrick's Grammar School, Armagh
- Conor McKenna – Former Tyrone minor Gaelic footballer ; Australian rules footballer for Essendon, Australia – St Patrick's Grammar School, Armagh
- Kevin McKernan, Down GAA Gaelic footballer – Abbey Christian Brothers' Grammar School, Newry, County Down, Northern Ireland
- Joe McMahon Gaelic footballer – Christian Brothers Grammar School, Omagh
- Seán O'Neill, Gaelic footballer – Abbey Christian Brothers' Grammar School, Newry, County Down, Northern Ireland
- Stephen O'Neill Gaelic footballer for the Tyrone senior football team – Christian Brothers Grammar School, Omagh
- Charlie Vernon – Armagh Gaelic footballer – St Patrick's Grammar School, Armagh
Lacrosse
- Curtis Hodgson – professional lacrosse player, Washington Stealth – St. Thomas More Collegiate, Burnaby, British Columbia
- David Morrow – professional lacrosse player, founder of Warrior Sports – Brother Rice High School, Bloomfield Township, Oakland County, Metro Detroit, Michigan
Rugby League
- Paul Akkary, Newtown Jets rugby league player – Christian Brothers' High School, Lewisham* Paul Bowman – Queensland – St Brendan's College, Yeppoon, Queensland
- Ben Barba – NRL player – St Patrick's College, Mackay
- Martin Bella – Australian rugby league footballer – St Patrick's College, Mackay
- Phil Blake – Rugby union coach for the Leicester Tigers, NRL player for Manly Warringah – St Paul's College, Manly, Sydney
- Jayson Bukuya – Rugby league player – St Patrick's College, Shorncliffe, Brisbane
- Joseph Champness – A-League Player for the Newcastle Jets – St Patrick's College, Shorncliffe,Brisbane
- Daly Cherry-Evans – NRL player – St Patrick's College, Mackay
- Michael Cleary, rugby union and rugby league footballer, Commonwealth Games sprint competitor and politician as Minister for Sport in the Wran Government – Waverley College, Sydney
- Casey Conway – Australia & Queensland – St Brendan's College, Yeppoon, Queensland
- Michael Crocker – NRL, Queensland State of Origin and Australian Kangaroos player – St Patrick's College, Shorncliffe, Brisbane
- Ryan Cross, Sydney Roosters rugby league, Wallabies and Western Force rugby union footballer – Waverley College
- Adam Cuthbertson – Super League player for the Leeds Rhinos, in the NRL for Manly Warringah, Cronulla, St George Illawarra, and Newcastle – St Paul's College, Manly, Sydney
- Brett Dallas – Australian rugby league footballer – St Patrick's College, Mackay
- Adam Doueihi, Australian semi-professional rugby league footballer for the South Sydney Rabbitohs in the National Youth Competition, and representative for Lebanon in the 2017 Rugby League World Cup – St Patrick's College, Strathfield, Sydney
- – Rugby League Player – Magpies, Gold Coast, Manly, Northern Eagles & Salford City – St Edward's College, East Gosford, New South Wales
- Jim Dymock – rugby league footballer for the Western Suburbs Magpies, Canterbury Bulldogs, Parramatta Eels and London Broncos. Current assistant coach for the Canterbury Bulldogs – St Mary's Cathedral College, Sydney
- Kyle Feldt, professional Rugby league player for the North Queensland Cowboys – Ignatius Park College, Townsville, Queensland
- Denis Flannery – Kangaroo Great, Winger in QLD Team of the Century – St Edmund's College, Ipswich, Queensland
- David Furner – # rugby league footballer and Coach for the Canberra Raiders and NSW State of Origin team – St Edmund's College, Canberra
- Peter Gallagher – Kangaroo Great – St Edmund's College, Ipswich, Queensland
- Steve Gearin, a professional rugby league footballer – Ignatius Park College, Townsville, Queensland
- Aidan Guerra, professional Rugby league player for the Sydney Roosters – Christian Brothers' High School, Lewisham, Sydney
- Trevor Gillmeister – St Columban's College, Caboolture, Queensland
- Des Hasler, former NRL player and former head coach of the Canterbury-Bankstown Bulldogs – St Pius X College, Chatswood, Sydney
- Kevin Hastings – rugby league footballer for the Sydney Roosters – St Mary's Cathedral College, Sydney
- Shannon Hegarty – NRL player – St Patrick's College, Mackay
- Coen Hess, professional Rugby league player for the North Queensland Cowboys – Ignatius Park College, Townsville, Queensland
- Solomon Haumono, a professional rugby league footballer and professional – Christian Brothers' High School, Lewisham, Sydney
- Valentine Holmes, professional Rugby league player for the Cronulla-Sutherland Sharks – Ignatius Park College, Townsville, Queensland
- Ryley Jacks, Melbourne Storm Rugby League Player – St Laurence's College, Brisbane
- Patrick Kaufusi, professional Rugby league player for the North Queensland Cowboys – Ignatius Park College, Townsville, Queensland
- Noel Kelly – Kangaroo great, Hooker in the Australian Team of Century – St Edmund's College, Ipswich, Queensland
- Andrew Lomu, a professional rugby league footballer – Christian Brothers' High School, Lewisham, Sydney
- Ben Lowe Ruby League footballer for the South Sydney Rabbitohs – St Mary's College, Toowoomba, Queensland
- Jaiman Lowe Ruby League footballer for the South Sydney Rabbitohs – St Mary's College, Toowoomba, Queensland
- James Maloney, professional rugby league player currently playing for the Cronulla-Sutherland Sharks – St Edward's College, East Gosford, New South Wales
- Lachlan Maranta – rugby league player for the Brisbane Broncos – St Joseph's College, Gregory Terrace, Brisbane
- PJ Marsh – Queensland – St Brendan's College, Yeppoon, Queensland
- Anthony Mitchell, professional Rugby league player for the North Queensland Cowboys – Ignatius Park College, Townsville, Queensland
- Michael Morgan, Professional Rugby league player for the North Queensland Cowboys – Ignatius Park College, Townsville, Queensland
- Dylan Napa – NRL Player for the Sydney Roosters – St Patrick's College, Shorncliffe, Brisbane
- Adam Nable – former NRL player for Manly Warringah, Wakefield Trinity, Balmain, Wests Tigers, North Queensland, and in AMNRL for the New York Knights – St Paul's College, Manly, Sydney
- Chris Nero – former NRL player for St George Illawarra, and former Super League player for Huddersfield, Salford City and Bradford – St Paul's College, Manly, Sydney
- Shannon Nevin – former NRL player for Manly Warringah, and founder of "Walk 'n' Talk" for suicide prevention – St Paul's College, Manly, Sydney
- Julian O'Neill – Queensland – St Brendan's College, Yeppoon, Queensland
- Paul Osborne, a professional rugby league footballer; politician – Christian Brothers' High School, Lewisham, Sydney
- Nathan Peats, a professional rugby league footballer for the Gold Coast Titans – Christian Brothers' High School, Lewisham, Sydney
- Tim Pickup, a professional rugby league footballer and test representative – Christian Brothers' High School, Lewisham, Sydney
- Luke Priddis – Australian Rugby League player for the Kangaroos, Penrith Panthers and St George-Illawarra Dragons – St Edmund's College, Canberra
- Scott Prince, professional Rugby league player for the Gold Coast Titans – Ignatius Park College, Townsville, Queensland
- Chad Randall – former NRL player for Manly Warringah, and former Super League player for London Broncos – St Paul's College, Manly, Sydney
- Joe Reaiche – rugby league footballer for the Sydney Roosters, Canterbury Bulldogs and South Sydney Rabbitohs – Christian Brothers' High School, Lewisham, Sydney and St Mary's Cathedral College, Sydney
- Mark Riddell – rugby league footballer for the St George Illawarra Dragons, Parramatta Eels, Wigan Warriors and Sydney Roosters – St Mary's Cathedral College, Sydney
- Shane Rigon, a professional rugby league footballer – Christian Brothers' High School, Lewisham, Sydney
- Wendell Sailor – dual-code international Rugby League and Rugby Union player and TV personality – St Patrick's College, Mackay, Queensland
- Matthew Scott – Australia & Queensland – St Brendan's College, Yeppoon, Queensland
- Rob Shehadie, professional, international, Rugby League player; international representative for Lebanon – St Patrick's College, Strathfield, Sydney
- Michael Speechley, a professional rugby league footballer – Christian Brothers' High School, Lewisham* Dave Taylor – Australia & Queensland – St Brendan's College, Yeppoon, Queensland
- Ricky Stuart – Former Australian Dual-Code Rugby player. Former coach of the Cronulla Sharks & New South Wales State of Origin team, Current Coach of the Canberra Raiders and winner of the 2016 Dally M Coach of the Year – St Edmund's College, Canberra
- Johnathan Thurston; Ruby League footballer for the North Queensland Cowboys – St Mary's College, Toowoomba, Queensland
- Aaron Trinder – NRL player for Northern Devils, formerly Manly Warringah, North Sydney, and Halifax – St Paul's College, Manly, Sydney
- Mick Veivers – former coalition government minister, and Rugby league international – St Joseph's College, Nudgee, Brisbane
- Jim Walters, a professional rugby league footballer for Newtown Jets – Christian Brothers' High School, Lewisham, Sydney
- Ben Walker rugby league footballer for the Brisbane Broncos – St Mary's College, Toowoomba, Queensland
- Chris Walker rugby league footballer for the Brisbane Broncos – St Mary's College, Toowoomba, Queensland
- Shane Walker rugby league footballer for the Brisbane Broncos – St Mary's College, Toowoomba, Queensland
- Luke Williamson – St Columban's College, Caboolture, Queensland
- Aaron Woods – New South Wales State of Origin player, current Wests Tigers player – St Mary's Cathedral College, Sydney
- William Zillman, Gold Coast Titans player – St Laurence's College, Brisbane
- Ron Duffy – rugby league international – St Peter's College, Auckland
- Cyril Eastlake – rugby league international, member and captain of the Kiwis – St Peter's College, Auckland
- Hugh McGahan – New Zealand rugby league representative 1982–1990, captain of the Kiwis – St Peter's College, Auckland
- Julian O'Neill – professional rugby league footballer – Liston College, Henderson, Auckland
- Denny Solomona – rugby league footballer for the Castleford Tigers in the Super League; previously played with the London Broncos and the Melbourne Storm under 20s – St Peter's College, Auckland
- Anthony Swann – New Zealand representative rugby league footballer; member of the New Zealand national rugby league team, the Kiwis from 1996; played for Samoa in the 2000 world cup – Liston College, Henderson, Auckland
- Willie Swann – former Samoa, Warrington Wolves and Auckland Warriors rugby league footballer – Liston College, Henderson, Auckland
- Luke Adamson, rugby league player for Salford City Reds – St Ambrose College, Greater Manchester
- Mick Murphy – Rugby League footballer; played for Wales, Bradford Northern and Wagga Wagga – St Mary's College, Crosby, Liverpool
- Adam Nable – former NRL player for Manly Warringah, Wakefield Trinity, Balmain, Wests Tigers, North Queensland, and in the American National Rugby League for the New York Knights – St Paul's College, Manly, Sydney, Australia
Rugby Union
- Marcos Ayerza – professional rugby union footballer– Colegio Cardenal Newman, Buenos Aires
- Felipe Contepomi – professional rugby union footballer– Colegio Cardenal Newman, Buenos Aires
- Manuel Contepomi – professional rugby union footballer– Colegio Cardenal Newman, Buenos Aires
- Agustín Gosio – professional rugby union footballer– Colegio Cardenal Newman, Buenos Aires
- Julián Montoya – professional rugby union footballer– Colegio Cardenal Newman, Buenos Aires
- John Ballesty, former Australian Rugby Union International – St Patrick's College, Strathfield, Sydney
- Finlay Bealham – Irish rugby union footballer for Ireland and Connacht Rugby – St Edmund's College, Canberra
- Neil Betts, former Wallabies player – St Laurence's College, Brisbane
- Phil Blake – Rugby union coach for the Leicester Tigers, NRL player for Manly Warringah – St Paul's College, Manly, Sydney
- Brendan Cannon, former Wallabies and Queensland Reds player – St Laurence's College, Brisbane
- Mark Chisholm – rugby union player – St Joseph's College, Gregory Terrace, Brisbane
- Jimmy Clark – rugby union player – St Joseph's College, Gregory Terrace, Brisbane
- Michael Cleary, former rugby union, and rugby league footballer, Commonwealth Games sprint competitor and politician as Minister for Sport in the Wran Government – Waverley College, Sydney
- Robbie Coleman – Australian rugby union footballer for the Brumbies – St Edmund's College, Canberra
- Mark Connors, former Wallabies and Queensland Reds player – St Laurence's College, Brisbane
- Nev Cottrell, former Wallabies captain and Queensland Reds player – St Laurence's College, Brisbane
- Dan Crowley, former Wallabies and Queensland Reds player and dual Rugby Union World Cup winner – St Laurence's College, Brisbane
- David Croft – rugby union player – St Joseph's College, Gregory Terrace, Brisbane
- Ryan Cross, Sydney Roosters rugby league, Wallabies and Western Force rugby union footballer – Waverley College, Sydney
- Rocky Elsom is a former Australia rugby union footballer. He played the position of flanker, and won 75 caps for Australia. He is the most capped Australian blindside flanker and was the Wallabies' 76th test captain, having replaced Stirling Mortlock in 2009 – St Joseph's College, Nudgee, Brisbane
- Tom English, professional rugby union footballer for the Melbourne Rebels – Waverley College, Sydney
- Colby Fainga'a – Australian Rugby Union player for the Brumbies – St Edmund's College, Canberra
- Saia Fainga'a – Australian rugby union footballer for the Wallabies and the Queensland Reds – St Edmund's College, Canberra
- Vili Fainga'a – rugby union footballer for the Tonga national rugby union team and former Canberra Raiders and Melbourne Storm player – St Edmund's College, Canberra
- Lolo Fakaosilea – Rugby Union Player for the ACT Brumbies – St Patrick's College, Shorncliffe, Brisbane
- Elton Flatley is an Australia international rugby union footballer. He played for the Queensland Reds – St Joseph's College, Nudgee, Brisbane
- Jimmy Flynn – rugby union player – St Joseph's College, Gregory Terrace, Brisbane
- Michael Foley, Australian rugby union player, Australian rugby union forwards coach 2003–2008, New South Wales Warartahs rugby union coach 2008. Until 2016 coach of the Western Force – St Patrick's College, Strathfield, Sydney
- Adam Freier, broadcaster and former professional rugby union footballer – Waverley College, Sydney
- – Canadian representative rugby union player – Played 15 Tests – St Edward's College, East Gosford, New South Wales
- Liam Gill – rugby union player – St Joseph's College, Gregory Terrace, Brisbane
- Matt Giteau – Former Australian rugby union footballer for the Wallabies and the Brumbies – St Edmund's College, Canberra
- George Gregan – Former Australian rugby union footballer for the Wallabies and Brumbies. The most-capped rugby union international of all time – St Edmund's College, Canberra
- James Hanson – rugby union player – St Joseph's College, Gregory Terrace, Brisbane
- Matt Henjak – Former Australian rugby union footballer for the Wallabies and the Western Force – St Edmund's College, Canberra
- Matt Hodgson, professional rugby union player for the Western Force – St Edward's College, East Gosford, New South Wales
- Stephen Hoiles, professional rugby union footballer, Wallaby and Fox Sports commentator – Waverley College, Sydney
- Zack Holmes – rugby union player – Aquinas College, Perth
- Michael Hooper, Rugby Union Professional who plays flanker for the Wallabies and NSW Waratahs in the Super Rugby competition – St Pius X College, Chatswood, Sydney
- Digby Ioane – rugby union player – St Joseph's College, Gregory Terrace, Brisbane
- Jordan Jackson-Hope – rugby union footballer for the Canberra Brumbies – St Edmund's College, Canberra
- Luke Jones, Rugby Union Professional who plays lock for the Melbourne Rebels in the Super Rugby competition – St Pius X College, Chatswood, Sydney
- Mark Edward Loane AM is an Australian former rugby union football player, who played 89 games for Queensland and 28 Tests for the Wallabies. Described by Bret Harris in his book, The Marauding Maroons, as "the closest thing to a folk hero Queensland has seen", Loane was noted for devastating barging runs and on occasion the game would be won by one of these characteristic bursts – St Joseph's College, Nudgee, Brisbane
- Ben Lucas – rugby union player – St Joseph's College, Gregory Terrace, Brisbane
- Michael Lynagh – rugby union player – St Joseph's College, Gregory Terrace, Brisbane
- Shawn Mackay, Super Rugby and Commonwealth Games Rugby 7s player – Waverley College, Sydney
- Rod McCall – St Columban's College, Caboolture, Queensland
- Luke McLean, Italy national rugby union team and Sale Sharks player – St Laurence's College, Brisbane
- Paul Edward McLean, MBE is an Australian former rugby union footballer. He played for Queensland and Australia in the 1970s and 1980s. McLean is a former President of the Australian Rugby Union, and an inductee into the Australian Rugby Union Hall of Fame. He is currently chief executive officer for Savills, responsible for overseeing Australasian operations of the multinational real estate services provider – St Joseph's College, Nudgee, Brisbane
- Sean McMahon is an Australian rugby union player who is currently plays as a flanker for the Melbourne Rebels in Super Rugby – St Joseph's College, Nudgee, Brisbane
- Doug McLean Jnr – Wallaby, 1933–36 – St Edmund's College, Ipswich, Queensland
- Jeff McLean – Wallaby, 1971–74 – St Edmund's College, Ipswich, Queensland
- Paul McLean MBE – Wallaby, Hall of Fame, Former President ARU – St Edmund's College, Ipswich, Queensland
- Drew Mitchell – New South Wales Waratahs / Australian Rugby union player – St Patrick's College, Shorncliff, Brisbane
- Jesse Mogg – Professional Rugby Player for Montpellier and former Wallaby – St Patrick's College, Shorncliffe, Brisbane
- James O'Connoran Australian Wallaby – St Joseph's College, Nudgee, Brisbane
- Chris O'Young, rugby union player for the Western Force and Australia 7's – St Patrick's College, Strathfield, Sydney
- Patrick Phibbs, rugby union footballer – Waverley College, Sydney
- Tim Pickup, Australian Rugby Union and Rugby League Representative – St Patrick's College, Strathfield, Sydney
- Matt Pini – Former Australian rugby union footballer for the Wallabies and Italy – St Edmund's College, Canberra
- Simon Poidevin, rugby union International – Wallaby, 1980–1991 – St Patrick's College, Goulburn, New South Wales
- Harry Roberts – rugby union player – St Joseph's College, Gregory Terrace, Brisbane
- Dominic Shipperley is an Australian professional rugby union footballer. After playing Super Rugby for the Queensland Reds from 2011 to 2014, he signed on to play for the Melbourne Rebels. His regular playing position is wing – St Joseph's College, Nudgee, Sydney
- Chris Siale, Rugby union player for the Queensland Reds, New South Wales Waratahs and French rugby second division – St Patrick's College, Strathfield, Sydney
- Tyrone Smith – Former rugby union footballer for the Brumbies and Tonga – St Edmund's College, Canberra
- James Stannard – Australian Sevens Rugby Union Player – St Edmund's College, Ipswich, Queensland
- Sam Talakai, rugby union footballer – Waverley College, Sydney
- Morgan Turinui, rugby union footballer – Waverley College, Sydney
- Jordan Uelese, Super Rugby player with the Melbourne Rebels – St Kevin's College, Melbourne
- Rudi Vedelago – rugby union player – St Joseph's College, Gregory Terrace, Brisbane
- Matt Williams, Professional Rugby Coach and Sports Commentator – St Patrick's College, Strathfield, Sydney
- Clem Windsor – rugby union player – St Joseph's College, Gregory Terrace, Brisbane
- – Canadian representative rugby union player – Played 15 Tests – St Edward's College, East Gosford, New South Wales
- Adam Byrne, Leinster and Ireland rugby player – Naas CBS, Naas, Co. Kildare
- Joey Carbery, rugby union player representing Ireland and member of the Leinster Rugby senior squad – Árdscoil na Tríonóide, Athy
- Patrick Casey, former Irish rugby international – C.B.C. Monkstown, Dún Laoghaire, County Dublin
- Donal Courtney, former International Rugby Board referee – C.B.C. Monkstown, Dún Laoghaire, County Dublin
- Seán Cronin Leinster Rugby and Ireland international player – Ardscoil Rís, Limerick
- John Feehan, former Leinster Rugby Union player and Rugby administrator – C.B.C. Monkstown, Dún Laoghaire, County Dublin
- Darragh Hurley – professional rugby union footballer, Munster Rugby – Christian Brothers College, Cork
- Dave Kilcoyne Munster Rugby& Ireland international – Ardscoil Rís, Limerick
- Donal Lenihan – professional rugby union footballer – Christian Brothers College, Cork
- Keith Matthews Connacht Rugby and Ireland A rugby player – Ardscoil Rís, Limerick
- Peter McKenna, former Irish Rugby International – C.B.C. Monkstown, Dún Laoghaire, County Dublin
- Frank Murphy – professional rugby union footballer, Munster Rugby, Leicester Tigers, Connacht Rugby – Christian Brothers College, Cork
- Noel Murphy, Sr. – professional rugby union footballer, Munster Rugby, British and Irish Lions – Christian Brothers College, Cork
- Noel Murphy, Jr. – professional rugby union footballer, Munster Rugby, British and Irish Lions – Christian Brothers College, Cork
- Michael Noone professional Rugby Union player for the Leicester Tigers – C.B.C. Monkstown, Dún Laoghaire, County Dublin
- Donncha O'Callaghan – professional rugby union footballer, Munster Rugby, British and Irish Lions – Christian Brothers College, Cork
- Paul O'Connell – Ireland international, and British and Irish Lions rugby captain); Munster Rugby – Ardscoil Rís, Limerick
- Shane O'Connor – professional rugby union footballer, Munster Rugby and Harlequin F.C. – Christian Brothers College, Cork
- Paddy O'Donoghue, former Irish Rugby Union International – C.B.C. Monkstown, Dún Laoghaire, County Dublin
- Shane O' Driscoll, NUIG & Young Munster Under 20's subs bench – Ardscoil Rís, Limerick
- Tomás O'Leary – professional rugby union footballer, Munster Rugby, British and Irish Lions – Christian Brothers College, Cork
- Alan Quinlan, former rugby union footballer and broadcaster; played for Munster and Shannon RFC – The Abbey School
- Mike Sherry Munster Rugby and Ireland Wolfhounds rugby player – Ardscoil Rís, Limerick
- Duncan Williams – professional rugby union footballer, Munster Rugby – Christian Brothers College, Cork
- Vince Aso – rugby union midfielder or winger for in the ITM Cup – St Peter's College, Auckland
- Josh Blackie – professional rugby union footballer – Liston College, Henderson, Auckland
- Tony Buckley - Irish international rugby union player; played Prop - St Peter's College, Auckland
- Mark Carter – All Blacks flanker – Liston College, Henderson, Auckland
- Stephen Timothy Casey – All Black, one of the Originals – Christian Brothers School, Dunedin
- Thomas Desmond Coughlan – All Blacks flanker, 1958 – St Kevin's College, Oamaru
- Sam Dickson, New Zealand rugby sevens player; member of the New Zealand national rugby sevens team to the 2016 Summer Olympics – St Thomas of Canterbury College, Christchurch
- Craig Dowd – All Black prop – Liston College, Henderson, Auckland
- Richard Fogarty – All Black – Christian Brothers School, Dunedin
- DJ Forbes – professional sevens player – Liston College, Henderson, Auckland
- Nepia Fox-Matamua – professional rugby player – St Peter's College, Auckland
- Simon Hafoka – professional rugby player and coach, Independiente Rugby Club Santander – St Peter's College, Auckland
- Bryn Hall – rugby player, plays scrum half for the Blues and captained the 2012 Junior All Blacks – St Peter's College, Auckland
- Mark Garry Hammett – All Black, Hooker; assistant coach for the Crusaders ; coach for the Hurricanes ; Director of Rugby for Cardiff Blues – St Thomas of Canterbury College, Christchurch
- Uwe Helu, international rugby union footballer, located in Japan – St Thomas of Canterbury College, Christchurch
- Shane Howarth – All Black fullback, also played for Wales – St Peter's College, Auckland
- Mate Jakich – Auckland representative rugby union footballer – St Peter's College, Auckland
- Matthew Johnson,, rugby union player for the in the Super Rugby competition – St Peter's College, Auckland
- James Charles Kearney – All Blacks first five-eighth, 1947–1949 – St Kevin's College, Oamaru
- Kevin Francis Laidlaw – All Blacks centre three-quarter, 1960 – St Kevin's College, Oamaru
- Ben Lam – wing position for the Blues in Super Rugby ; member of the New Zealand Sevens ; plays for the Hurricanes ; won a Commonwealth Games Medal in the Rugby sevens – St Peter's College, Auckland
- Pat Lam – All Black, loose forward ; captain of Manu Samoa; coach Pacific Islanders rugby team and the Auckland Blues – St Peter's College, Auckland
- Lomano Lemeki – Rugby Sevens player for Japan and XV's in New Zealand – Liston College, Henderson, Auckland
- Francis Steven McAtamney – All Blacks prop, 1956 – St Kevin's College, Oamaru
- Bernie McCahill – All Blacks second five-eighth and centre three-quarter – St Peter's College, Auckland
- Sean McCahill – rugby international, representing Ireland – St Peter's College, Auckland
- William Alexander McCaw – All Blacks Captain 1954, Number 8 and flanker, 1951–1954 – St Kevin's College, Oamaru
- Brian Verdon McCleary – All Black played on the Invincibles tour; New Zealand and Australasian amateur and professional light-heavyweight and heavyweight boxing champion – Christian Brothers School, Dunedin
- Jason McLennan – represented Fiji in international rugby 1993–1995 – Liston College, Henderson, Auckland
- Bradley Moni Mika – All Black, lock, Auckland, Blues and Crusaders rugby player – St Peter's College, Auckland
- Dylan Mika – All Black, loose forward – St Peter's College, Auckland
- Steve Nesbit – All Black, first five-eighth – St Peter's College, Auckland
- Mana Otai – International rugby union footballer, representing Tonga; captain of Tonga at 1995 Rugby World Cup – St Peter's College, Auckland
- Ti'i Paulo – New Zealand Rugby Player – Samoa, ASM Clermont, Crusaders, Canterbury, Tasman, New Zealand Under-21 Captain, New Zealand Under-19 – Kavanagh College
- Harry Plummer, professional rugby union player who plays for the in Super Rugby – St Peter's College, Auckland
- Francis Saili – All Blacks, Lock – St Peter's College, Auckland
- Peter Saili – New Zealand rugby player, plays at the flanker position for the Blues in Super Rugby – St Peter's College, Auckland
- Kevin Senio – All Black half back – Liston College, Henderson, Auckland
- Kevin Lawrence Skinner – All Blacks captain 1952; prop, 1949–1956 – Christian Brothers School, Dunedin and St Kevin's College, Oamaru
- Robert Charles Stuart – All Blacks captain, Loose forward 1949–1954; rugby coach – St Kevin's College, Oamaru
- Soane Tonga'uiha – Tongan rugby union international representative; plays for the Northampton Saints – St Peter's College, Auckland
- Antony Sumich – rugby union and cricket international New Zealand rugby union player; plays as a midfield back for in New Zealand's domestic Mitre 10 Cup and the in the international Super Rugby competition – Kavanagh College, Dunedin
- Lindsay Townsend – All Black – Christian Brothers School, Dunedin
- Patrick Tuipulotu – All Blacks – St Peter's College, Auckland
- Conrad Jantjes – former professional rugby union footballer, Western Province Player. Springbok World Cup Winner. – Christian Brothers College, Boksburg
- Álvar Gimeno Spanish professional rugby union player at centre for Valladolid and the Spain national team – St Thomas of Canterbury College, Christchurch, New Zealand
- Luke Arscott – rugby player, Exeter Chiefs – St Boniface's Catholic College, Plymouth, Devon
- Tom Arscott – rugby player, Worcester Warriors – St Boniface's Catholic College, Plymouth, Devon
- Jack Gilding – rugby player, Edinburgh – St Boniface's Catholic College, Plymouth, Devon
- Austin Healey, former English International rugby player – St Anselm's College, Birkenhead
- Ben Johnston, English International rugby player – St Anselm's College, Birkenhead
- Liam Mooney – former rugby union footballer, London Irish, Exeter Chiefs, Ireland Wolfhounds and Barbarian F.C. – St Boniface's Catholic College, Plymouth, Devon
- Chris Pilgrim, Newcastle Falcons rugby player – St Anselm's College, Birkenhead
- Mike Slemen, rugby player – St Edward's College, Liverpool
- Roberto Canessa – professional rugby union footballer, Uruguayan presidential candidate, survivor of the Uruguayan Air Force Flight 571 crash – Stella Maris College
- Nando Parrado – professional rugby union footballer, survivor of the Uruguayan Air Force Flight 571 crash – Stella Maris College
- Carlos Páez Rodríguez – professional rugby union footballer, survivor of the Uruguayan Air Force Flight 571 crash – Stella Maris College
- Adrian Garvey – professional rugby player – Christian Brothers College, Bulawayo
- Mike Williams – Leicester Tigers – Christian Brothers College, Bulawayo