O'Malley (surname)
O'Malley is an Irish surname.People
- Bryan Lee O'Malley, comic book creator
- Conner O'Malley, American comedian
- Daragh O'Malley, Irish actor
- Desmond O'Malley, Irish politician
- Donogh O'Malley, Irish Fianna Fáil politician
- Edward R. O'Malley, American lawyer and politician
- Edwin O'Malley, Commissioner of Public Markets for New York City
- Ernie O'Malley, Irish Republican Army officer
- Fiona O'Malley, Irish Progressive Democrat politician
- Grace O'Malley, Irish noblewoman and chieftainess
- Joe O'Malley, American football player
- John O'Malley, American politician
- John F. O'Malley, American architect
- John J. O'Malley, American architect
- J. Pat O'Malley, English singer and actor
- Katie O'Malley, Maryland state judge
- King O'Malley, Australian politician
- Mart O'Malley, Indiana state judge
- Martin O'Malley, American politician
- Martin O'Malley , Canadian journalist
- Mary O'Malley, various including
- * Mary O'Malley , Irish director
- * Mary O'Malley , English playwright
- * Mary O'Malley , Irish poet
- Matthew V. O'Malley, American politician
- Mick O'Malley, Australian boxer of the 1990s and 2000s
- Mike O'Malley, American actor
- Nick O'Malley, indie-rock musician
- Sir Owen O'Malley, British diplomat
- Patrick O'Malley or Pat O'Malley, various including
- * Patrick O'Malley , former Illinois State Senator
- * Patrick O'Malley , Irish Progressive Democrats politician
- * Padraig O'Malley, Irish-American academic
- Peter O'Malley, former owner of the Los Angeles Dodgers baseball team
- Robert E. O'Malley, Medal of Honor recipient
- Rory O'Malley, Broadway actor
- Ryan O'Malley, American baseball player
- Ryan O'Malley , American football player
- Seán Patrick O'Malley, Roman Catholic Cardinal
- Sean O'Malley , American mixed martial artist
- Stephen O'Malley, American musician/guitarist, producer, composer, and visual artist
- Susan O'Malley, American sports executive
- Susan O'Malley , public art, author and museum curator
- Thomas O'Malley , U.S. Representative from Wisconsin
- Thomas J. O'Malley, Lieutenant Governor of Wisconsin
- Tim O'Malley, Irish politician
- Tony O'Malley, Irish painter
- Walter O'Malley, former owner of the Brooklyn/Los Angeles Dodgers baseball team
- William O'Malley , MP for Connemara,1906
- William O'Malley , American Jesuit priest, teacher, and author
Fictional characters
- Mr. O'Malley, fictional character
- Conor O'Malley, fictional character from "A Monster Calls", dark fantasy drama film directed by J. A. Bayona and written by Patrick Ness.
- Emily Napoli O'Malley, fictional character from the video game series, Delicious.
- O'Malley, a fictional character in the machinima series Red vs. Blue
- Abraham de Lacy Giuseppe Casey Thomas O'Malley, from the 1970 Disney animated film The Aristocats
- George O'Malley, from Grey's Anatomy
- Father Charles "Chuck" O'Malley, from the films Going My Way and The Bells of St. Mary, and the TV series Going My Way
- Nellie O'Malley, from American Girl's Samantha sub-series