List of serial killers by country

Convicted serial killers by country

Afghanistan

• Abdullah Shah: killed at least twenty travelers on the road from Kabul to Jalalabad serving under Zardad Khan; also killed his wife; executed on 20 April 2004.

  Antigua and Barbuda

• John Baughman: former American police officer who pushed his second wife from the roof of the Royal Antiguan Hotel in 1995; suspected of killing a close friend and first wife back in the USA; committed suicide in 2000.

  Argentina

• Marcelo Antelo: also known as "The San La Muerte Killer"; drug addict who killed at least four people between February and August 2010, allegedly in the name of a pagan saint; sentenced to life imprisonment.
• Florencio Fernández: also known as "The Argentine Vampire"; killed fifteen women in his hometown of Monteros during the 1950s, died in Jail in 1968.
• Cayetano Santos Godino: also known as "Petiso Orejudo" ; at 16, killed four children in 1912; died in prison in 1944.
• Cayetano Domingo Grossi: the first serial killer in Argentine history; Italian immigrant who murdered five of his newborn children between 1896 and 1898; executed 1900.
• Francisco Antonio Laureana: also known as "The Satyr of San Isidro"; murdered fifteen women from 1974 to 1975, raping thirteen of them; killed in a shootout with the police in 1975.
• Yiya Murano: also known as "The Poisoner of Monserrat", poisoned three women in Buenos Aires in 1979.
• Javier Hernán Pino: killed and robbed five people between February and October 2015 in three cities; sentenced to life imprisonment.
• Robledo Puch: also known as "The Death Angel" and "The Black Angel"; killed eleven people before his arrest in 1972; sentenced to life imprisonment in 1980.

  Australia

• John Balaban: also known as the "Romanian Maniac"; Romanian emigrant who murdered at least five people in France and Australia from 1948 to 1953, including his wife and her family; executed 1953.
• David and Catherine Birnie: responsible for the "Moorhouse Murders"; couple from the Perth suburb of Willagee who raped and murdered four women in 1986.
• Gregory Brazel: Victoria man who shot a woman to death in a 1982 armed robbery, and murdered two prostitutes in 1990.
• John Bunting, Robert Wagner and James Vlassakis: also known as the "Bodies in the Barrels Murders"; convicted of the Snowtown murders of twelve people between 1992 and 1999.
• Robert Francis Burns: confessed to eight killings; hanged in Ararat in 1883.
• Thomas and John Clarke: bushranger brothers who robbed railroad stations; killed five police officers; the Felons Apprehension Act of 1886, which allowed bushrangers to be killed on sight, was created because of them; both hanged 1867.
• Eric Edgar Cooke: also known as the "Night Caller"; killed at least eight people and attempted to kill many more in and around Perth between 1959 and 1963; last person to be hanged in Western Australia.
• John Leslie Coombes: killed two men in 1984 and one woman in 2009 around the Victoria area.
• Bandali Debs: convicted of murdering two police officers and two prostitutes in the 1990s.
• Paul Denyer: also known as the "Frankston Killer"; murdered three women in 1993 in the Melbourne suburb of Frankston.
• Peter Dupas: serving three life sentences for multiple murder and rape charges in Victoria.
• Kathleen Folbigg: murdered four of her infants between 1991 and 1999.
• Leonard Fraser: also known as the "Rockhampton Rapist"; convicted of killing four women in Rockhampton, Queensland.
• John Wayne Glover: also known as the "Granny Killer"; killed six elderly women on Sydney's North Shore; committed suicide in 2005.
• Caroline Grills: also known as "Auntie Thally"; a serial poisoner of five family members in New South Wales between 1947 and 1953.
• Paul Steven Haigh: sentenced to life imprisonment without parole for the murders of seven people in Victoria in the late 1970s.
• Matthew James Harris: strangled a friend's brother, a female friend, and a male neighbor to death over five weeks in 1998 in Wagga Wagga.
• Thomas Jeffries: Tasmanian penal colony escapee responsible for the murders of five people; executed in 1826.
• Frances Knorr: also known as the "Baby Farming Murderess"; English-born baby farmer who killed three infants; executed 1894.
• Eddie Leonski: also known as the "Brownout Strangler"; United States Army soldier who killed three women in Melbourne; executed in 1942.
• John Lynch: also known as the "Berrima Axe Murderer"; killed ten people from 1835 to 1841.
• William MacDonald: also known as the "Mutilator"; English immigrant who killed at least five men between June 1961 and April 1963 throughout Sydney.
• John and Sarah Makin: late 19th century baby farmers who killed and buried twelve children at a succession of their homes.
• Malachi Martin: convicted of killing Jane Macmanamin and suspected of murdering four additional people as well as being implicated in the suspicious death of his mother; hanged at the Adelaide Gaol in 1862.
• Ivan Milat: killed at least seven tourists in Belanglo State Forest, New South Wales between 1989 and 1993, which became known as the "Backpacker Murders"; suspected in similar disappearances in Newcastle.
• Dan Morgan: also known as "Mad Dog"; violent bushranger who killed three people from 1864 to 1865; killed during a standoff with the Victoria police.
• Martha Needle: also known as the "Black Widow of Richmond," poisoner of four family members and her boyfriend's brother; executed in 1894.
• Alexander Pearce: Irish convict who escaped with seven other convicts from imprisonment; five of them were killed and cannibalised, leaving Pearce the only one left; hanged 1824.
• Derek Percy: murdered a child in 1969, but also linked to the deaths of eight other children in the 60s; died in prison from lung cancer.
• Martha Rendell: killed three stepchildren with hydrochloric acid in 1907–08; last woman to be hanged in Western Australia.
• Lindsey Robert Rose: New South Wales serial and contract killer who murdered five people between 1984 and 1994.
• 'Snowy' Rowles: also known as the "Murchison Murders"; stockman who murdered three people using a method from a then unpublished book of author Arthur Upfield.
• Albert Schmidt: also known as "The Wagga Murderer"; German immigrant who murdered at least three travelling companions from 1888 to 1890; executed for one murder in 1890.
• Arnold Sodeman: also known as the "School-girl Strangler"; killed four children in Melbourne in the 1930s.
• John "Rocky" Whelan: Tasmanian penal colony escapee responsible for the murders of five people; executed in 1855.
• Christopher Worrell and James Miller: also known as the "Truro Murderers"; were convicted of killing seven people in 1976–1977.

  Austria

• Elfriede Blauensteiner: also known as the "Black Widow"; poisoner of three individuals; died in prison in 2003.
• Max Gufler: poisoned and drowned women; convicted of four murders and two attempted murders, but believed to have committed 18; died 1966.
• Dariusz Kotwica: also known as the "Euro Ripper"; Polish vagrant who murdered at least three pensioners in Austria and Sweden in 2015; suspected of more murders in the Netherlands, Czech Republic and the United Kingdom; sentenced to involuntary commitment.
• Martha Marek: poisoned three family members and a lodger in her house with thallium between 1932 and 1937; executed 1938.
• Wolfgang Ott: sex offender and suspected serial killer who kidnapped several women in 1995, killing two of them; sentenced to life imprisonment in 1996.
• Harald Sassak: gasworks employee who between 1971 and 1972 killed six people for the purpose of robbery; died from an undisclosed illness in 2013.
• Hugo Schenk: also known as the "Viennese Housemaids Killer"; swindler who killed four maids in 1883 with his accomplice Karl Schlossarek; suspected of more murders; executed 1884.
• Jack Unterweger: author and sexual sadist; convicted of ten murders; believed to have killed twelve women; committed suicide in prison in 1994.
• Maria Gruber, Irene Leidolf, Stephanija Mayer and Waltraud Wagner: also known as the "Lainz Angels of Death"; nurses at the Lainz General Hospital in Vienna who admitted to murdering 49 patients between 1983 and 1989.
• Guido Zingerle: also known as the "Monster of Tyrol"; Italian who brutally raped women in Italy and Austria between 1946 and 1950, killing at least two by burying them under a pile of stones; died in prison from liver cancer in 1962.

  The Bahamas

• Cordell Farrington: killed four children and his homosexual lover from 2002 to 2003; sentenced to death and later commuted to life imprisonment.
• Michaiah Shobek: also known as "The Angels of Lucifer Killer"; American emigrant who murdered three fellow US tourists from 1973 to 1974; executed 1976.

  Bangladesh

• Roshu Kha: enraged over rejection by his lover, Roshu killed at least eleven garment workers in Chandpur District. He pretended to love them, later killing them brutally.
• Ershad Sikder: career criminal and corrupt politician responsible for the torture-murders of numerous people in the 1990s; convicted on seven counts of murder and executed in 2004.

  Belarus

• Ivan Kulesh: drunkard who killed three saleswomen between 2013 and 2014 in the Grodno Region; executed 2016.
• Eduard Lykov: Russian immigrant who killed five people in drunken quarrels from 2002 to 2011; executed 2014.
• Gennady Mikhasevich: police volunteer who investigated his own mission-oriented murders of 36 women between 1971 and 1985; executed in 1987.
• Igor Mirenkov: known as "the Svietlahorsk Nightmare"; child killer who murdered six boys from 1990 to 1993; executed in 1996.
• Sergey Pugachev and Alexander Burdenko: leaders of the "Polotsk Four"; criminals responsible for killing two girls and two car enthusiasts from 2001 to 2002, as well as numerous robberies with two other accomplices; Pugachev was executed in 2005 and Burdenko was sentenced to life imprisonment.
• Alexander Sergeychik: killed six people from 2000 to 2006 in the Shchuchyn and Grodno Districts; confessed to twelve murders; executed 2007.

  Belgium

• Marie Alexandrine Becker: poisoned at least eleven people with Digitalis; sentenced to life imprisonment; died 1938.
• Michel Bellen: known as "The Strangler of the Left Bank"; raped and killed four women in Leuven between 1964 and 1982; died in prison from heart failure in 2020.
• Jan Caubergh: strangled his pregnant neighbour, his girlfriend and their child in 1979; sentenced to death but it was converted to life imprisonment; was the longest-serving prisoner in the country until his death in 2013.
• Étienne Dedroog: known as the "Lodgers' Killer"; killed a B&B owner in France and a couple in Belgium from October to November 2011; also suspected of a murder in Spain; sentenced to life imprisonment.
• Marc Dutroux: convicted of having kidnapped, tortured and sexually abused six girls ranging in age from 8 to 19, during 1995 and 1996. Four of his victims were murdered; the final two were rescued.
• Staf Van Eyken: also known as the "Vampire of Muizen"; raped and strangled three women from 1971 to 1972 in Muizen and Bonheiden; sentenced to death, commuted to life imprisonment.
• Renaud Hardy: also known as the "Parkinson's Murderer"; murdered between two and three women in the Flemish Community from 2009 to 2015; sentenced to life imprisonment.
• Ronald Janssen: killed a woman in 2007 and later his neighbour and her boyfriend in 2010 in Flemish Brabant; admitted to five rapes committed in 1993, but is suspected of 20; sentenced to life imprisonment in 2011.
• Marie-Thérèse Joniaux: poisoned three of her family members between 1894 and 1895; sentenced to death in 1895, but was commuted to life imprisonment; died in Antwerp in 1923.
• Junior Kabunda: also known as "The Monster of Brussels"; murdered pianist Benjamin Rawitz-Castel in 2006 during a robbery, later killing his daughter and her grandmother in 2009; sentenced to life imprisonment.
• András Pándy: also known as "Vader Blauwbaard" ; Hungarian immigrant convicted of the murder and rape of his two wives and four children in Brussels between 1986 and 1990 with the aid of his daughter, Ágnes Pándy; died in prison in 2013.
• Nestor Pirotte: also known as the "Crazy Killer"; considered one of the worst Belgian criminals, responsible for the murders of up to seven people from 1954 to 1981, including his great-aunt; died from a heart attack in 2000.

  Bolivia

• Ramiro Artieda: killed his brother in the early 1920s for monetary purposes; emigrated to the United States but later returned and killed seven women until 1938; was arrested in 1939, confessed and was executed by firing squad.

  Brazil

• José Augusto do Amaral: also known as "Preto Amaral"; first documented Brazilian serial killer; suspected of murdering and then raping the corpses of three young men in São Paulo in 1926; died from tuberculosis while imprisoned before he could be put on trial.
• Marcelo Costa de Andrade: also known as "The Vampire of Niterói"; raped and killed fourteen children.
• Marcelo de Jesus Silva: also known as "Chucky"; dwarf man convicted of twenty counts of murder, robbery, drug trafficking and death squad.
• José Paz Bezerra: also known as "The Morumbi Monster"; sexually violated, tortured and murdered more than twenty women in São Paulo and Pará during the 1960s and 1970s; sentenced to 30 years imprisonment and released in 2001.
• Febrônio Índio do Brasil: delusional religious maniac and habitual criminal who murdered at least six people from 1925 to 1927, mostly young boys and teens; acquitted by reason of insanity and sent to a mental institution, in which he died in 1984 from chronic obstructive pulmonary disease.
• Abraão José Bueno: Rio de Janeiro nurse who killed four child patients; sentenced to 110 years imprisonment in 2005.
• Francisco das Chagas Rodrigues de Brito: pedophile who sexually abused, murdered and mutilated between 30 and 42 young boys from 1989 to 2003 in Maranhão and Pará; sentenced to 217 years imprisonment.
• Pedro Rosa da Conceição: Brazilian mass murderer who killed three people and wounded thirteen others on April 22, 1904. Killed his cellmate and a guard in 1911, and is said to have murdered a family of twelve people in an unspecified date and year. Died in 1919.
• Pedro Rodrigues Filho: also known as "Pedrinho Matador"; convicted and sentenced to 128 years imprisonment for 70 murders; however, the maximum one can serve in Brazil is 30 years; claimed to have killed more than 100 victims, including 40 prison inmates.
• Roneys Fon Firmino Gomes: known as the "Tower Maniac"; murdered at least six prostitutes in the city of Maringá between 2005 and 2015, disposing of their bodies under electric towers; sentenced to 21 years imprisonment.
• Francisco de Assis Pereira: rapist and serial killer, known as "O Maníaco do Parque" ; arrested for the torture, rape and death of eleven women and for assaulting nine in a park in São Paulo during the 1990s.
• Tiago Henrique Gomes da Rocha: security guard who has claimed to have killed 39 people in the state of Goiás.
• Edson Izidoro Guimarães: nurse who killed four patients in the Rio de Janeiro neighborhood of Méier; suspected of 131 deaths in total.
• José Vicente Matias: also known as "Corumbá"; former artisan who raped, murdered and dismembered six women between 1999 and 2005, cannibalizing one of them; sentenced to 23 years imprisonment.
• Florisvaldo de Oliveira: also known as "Cabo Bruno"; former police officer accused of more than 50 murders on the outskirts of São Paulo in 1982; murdered by unknown assailants in 2012.
• Sebastião Antônio de Oliveira: also known as "The Monster of Bragança"; mentally-ill man who murdered five children and raped at least eight between 1953 and 1975; committed suicide before trial in 1976.
• Diogo Figueira da Rocha: also known as "Dioguinho"; career criminal responsible for at least 50 murders between 1894 and 1897 around São Paulo; supposedly killed in a shootout with the police in 1897.
• Orlando Sabino: also known as the "Monster of Capinópolis"; suspected of murdering twelve people in several municipalities around Minas Gerais and Goiás; died from a heart attack in 2013.
• Anísio Ferreira de Sousa: gynaecologist from Altamira who was convicted of the murder of three children but linked to the disappearance of a total of 19.
• Jorge Luiz Thais Martins: former Military Firefighters Corps colonel who killed nine drug addicts from August 2010 and January 2011 to avenge the death of his son.
• Marcos Antunes Trigueiro: known as "The Industrial Maniac"; former taxi driver who killed five women from 2009 to 2010 in Contagem and Belo Horizonte.

  Burundi

• Ivomoku Bakusuba: confessed to having killed over 67 children. Committed suicide, "probably in the late 1940s, or in the early 1950s".

  Bulgaria

• Hristo Georgiev: also known as "The Sadist"; former militiaman who murdered four women and one man in Sofia from 1974 to 1980; executed 1980.
• Sokrat Kirshveng: also known as "The Killer with the Adze"; murdered two of his lovers in 1919, for which he was sentenced to death; commuted to 17 years imprisonment, and upon release in 1937, murdered his aunt and uncle-in-law; executed 1937.
• Lenko Latkov: murdered three elderly women in Haskovo Province from 1999 to 2000 and raped two children; suspected in another three killings in Plovdiv Province; murdered by his cellmate in 2003.
• Mihail Leshtarski: also known as "The Killer from the Cave"; habitual thief who lived in the mountains, suspected of murdering at least five elderly pensioners from 2009 to 2011; convicted of one murder and sentenced to life imprisonment.
• Ludwig Tolumov and Ivan Serafimov: also known as "The Sour and The Sweet"; criminal duo jointly responsible for three murders from May to July 2000; Serafimov, solely responsible for a 1996 murder, was later murdered by Tolumov, who was himself arrested and sentenced to life imprisonment.

  Canada

• Gerald Thomas Archer: known as "the London Chambermaid Slayer"; killed three female hotel employees in his hometown of London, Ontario between 1969 and 1971; died of a heart attack in 1995.
• Paul Bernardo: also known as "the Scarborough Rapist"; a Toronto serial rapist who killed three teenage girls with the aid of his wife Karla Homolka.
• Wayne Boden: also known as "the Vampire Rapist" killed four women between 1968 and 1971; died in prison 2006.
• John Martin Crawford: convicted in 1996 for the murders of three women in Saskatoon.
• Léopold Dion: also known as "Monster of Pont-Rouge"; raped and killed four young boys in 1960; murdered in 1972 by a fellow prison inmate.
• William Patrick Fyfe: convicted of killing five women in Montreal between 1979 and 1999; suspect in several other murders.
• Russell Maurice Johnson: also known as the "Bedroom Strangler"; convicted of raping and murdering three women in the 1970s; total number of victims later found to be higher.
• Gilbert Paul Jordan: also known as the "Boozing Barber", killed between eight and ten women by alcohol poisoning in Vancouver; died in 2006.
• Simmi Kahlon: Indian immigrant who murdered her three newborn children in Calgary between 2005 and 2009; died from complications in childbirth before crimes were discovered.
• Joseph LaPage: also known as the "French Monster"; murdered four women in Canada and the US from 1867 to 1875; executed 1878.
• Cody Legebokoff: one of Canada's youngest serial killers, convicted of murdering three women and a teenage girl around Prince George, British Columbia between 2009 and 2010.
• Allan Legere: also known as "Monster of the Miramichi"; killer of five individuals.
• Bruce McArthur: Toronto man who killed and dismemembered eight men between 2010 and 2017; sentenced to life in prison in 2019.
• Michael Wayne McGray: killed seven people, including a woman and child and a cellmate, claims to have killed eleven others.
• Dellen Millard: convicted of murdering three people, including his father; two were killed with help from accomplice Mark Smich.
• Clifford Olson: murdered eleven children in British Columbia in the early 1980s; died in prison 2011.
• Robert Pickton: Port Coquitlam, British Columbia man charged with the first degree murders of 26 women; allegedly confessed to 49 murders; convicted December 9, 2007 of six charges; reduced to second degree murder.
• Yves Trudeau: known as "the Mad Bumper"; former member of an outlaw motorcycle gang took part in 43 murders between 1973 and 1985; died of bone-marrow cancer in 2008.
• Elizabeth Wettlaufer: registered nurse who murdered eight senior citizens in Ontario with fatal injections of insulin, and gave non-fatal injections to six others, between 2007 and 2016.
• Russell Williams: former Colonel of the Canadian Forces; killed two women and is suspected of murdering a third; sentenced to life imprisonment.
• Peter Woodcock: murdered three children in 1956 and 1957 in Toronto and a fellow psychiatric institute patient in 1991; died while incarcerated in 2010.

  Chile

• Émile Dubois: French-born murderer and folk hero who's revered as "The Chilean Robin Hood" for killing alleged usurers; executed 1907.
• Catalina de los Ríos y Lisperguer: also known as "La Quintrala"; 17th century landowner tried for over 40 murders; died 1665.
• Julio Pérez Silva: also known as "Psychopath from Alto Hospicio", sentenced to life imprisonment for murdering fourteen women from 1998 to 2001.
• Jorge Sagredo and Carlos Topp: also known as the "Viña del Mar Psychopaths"; committed ten murders and four rapes from 5 August 1980 to 1 November 1981 in Viña del Mar; executed by firing squad on 29 January 1985; they were the last people executed in Chile.

  People's Republic of China

• Bai Baoshan: robber who attacked several police stations in three provinces; killed fifteen people; executed 1998.
• Dong Wenyu: burglar-rapist who killed six people during break-ins between March and May 2006; also raped the female victims' corpses; executed 2007.
• Li Shikang: killed six people and wounded 17 others with letter bombs sent to medical staff for whom he blamed for not curing his sexually transmitted disease.
• Li Yijiang: killed seven people in the early 2000s; shot in 2004.
• Liu Pengli: 2nd century BC Han prince; one of the earliest serial killers attested by historical sources.
• Long Zhimin: together with his wife Yan Shuxia, lured in and subsequently murdered 48 people in his home for various reasons between 1983 and 1985; both executed 1985.
• Gao Chengyong: nicknamed the "Chinese Jack the Ripper", killed eleven women between 1988 and 2002 in Baiyin and Inner Mongolia; executed 2019.
• Gong Runbo: found guilty of the murders of six children and teenagers in aged between 9 and 16 from 2005 to 2006 in Jiamusi; executed 2007.
• Huang Yong: between September 2001 and 2003 killed at least seventeen teenage boys; executed in 2003.
• Shen Changyin and Shen Changping: found guilty of the murders of eleven prostitutes between 1999 and 2004 in Lanzhou and Taiyuan; sentenced to death in 2005.
• Wang Qiang: 45 murder victims and ten rapes; executed on 17 November 2005.
• Wang Zongfang and Wang Zongwei: known as "Er Wang"; murderers who killed soldiers using guns and grenades in Hunan, Hubei and Jiangsu; killed by armed forces in 1983.
• Yang Xinhai: also known as the "Monster Killer"; confessed to killing 65 people between 2000 and 2003; executed in 2004.
• Zhang Jun: robber who killed 28 people from 1993 to 2000 throughout China with accomplices; captured and executed in 2001.
• Zhang Yongming: killed eleven males between March 2008 and April 2012; executed in 2013.
• Zhao Zhihong: known as "The Smiling Killer"; raped and killed six women in Inner Mongolia between 1996 and 2005; confessed to a murder for which an innocent man was executed; executed 2019.
• Zhou Kehua: former soldier who targeted ATM users; killed ten people in Jiangsu and Chongqing and evaded the law for 8 years, before being killed in 2012 in a shootout with police after a year-long manhunt.

  Colombia

• Andrés Leonardo Achipiz: also known as "The Fish"; psychopathic hired killer who killed between 30 and 35 people in Bogotá from 2009 to 2013.
• José William Aranguren: also known as "Desquite"; bandit who murdered approximately 115 people in three municipalities from 1956 to 1964; killed by commandos on a farm in 1964, along with his three accomplices.
• Daniel Camargo Barbosa: also known as "The Sadist of El Charquito", who is believed to have raped and killed over 150 young girls in Colombia and Ecuador during the 1970s and 1980s.
• Jairo Alexander Beltrán Castañeda: also known as "El Monstruo de Llana" ; kidnapper who murdered a woman in Meta in 2015; suspected of at least three other murders, after bodies were found in mass graves; currently incarcerated.
• Manuel Octavio Bermúdez: also known as "El Monstruo de los Cañaduzales" ; confessed to raping and killing at least twenty-one children in remote areas of Colombia.
• Esneda Ruiz Cataño: also known as "The Predator"; murdered three husbands for life insurance between 2001 and 2010.
• Tomás Maldonado Cera: also known as "The Satanist"; murdered between seven and ten people in satanic rituals in Barranquilla.
• Cristopher Chávez Cuellar: also known as "The Soulless"; killed six people, including four underage brothers, in 2015; suspected of at least fifteen murders dating back to the 1990s; sentenced to 40 years imprisonment.
• Luis Garavito: also known as "The Beast"; admitted to murder and rape of 140 young boys in the 1990s.
• Rubén Villalobos Herrera: also known as "The Black Canes Monster"; necrophile who raped and murdered nine women from 2012 to 2017; currently awaiting trial.
• María Concepción Ladino: also known as "The Killer Witch"; defrauded and murdered six people from 1994 to 1998; sentenced to 40 years imprisonment.
• Pedro López: also known as "The Monster of the Andes"; claimed to have raped and killed more than 300 girls across South America between 1969 and 1980.
• Jaime Iván Martínez: also known as "The Guarne Killer"; killed at least four people in Guarne from 2005 to 2016, including his wife and two children; sentenced to 42 years imprisonment.
• Nepomuceno Matallana: also known as "Doctor Mata"; fraudster convicted of a 1947 murder of a merchant, but suspected of other murders; died 1960 from bronchitis combined with heart failure.
• Luis Alberto Malagón Suárez: also known as "The Sadist of Rincón"; kidnapped, raped and killed five girls from 1995 to 1997 in Suba; imprisoned in 2012 for the 2001 murder of his wife.
• Élver James Melchor Bañol: also known as "The Predator of Picaleña"; serial child rapist who murderd a girl in Tolima in 2019, after being released on parole for three similar murders and sex crimes; sentenced to 60 years imprisonment.
• John Jairo Moreno Torres: also known as "Johnny the Leper"; gang leader who brutally murdered at least four people between 1997 and 1998 in Bogotá; murdered in prison by several inmates in 1998.
• Harlis Alexis Murillo Moreno: sex offender who killed two women in Cali and Bucaramanga in 2017; suspected of two more murders in Bogotá; sentenced to 36 years imprisonment.
• Yadira Narváez: also known as "The Queen of Scopolamine"; poisoned between five and six men with Carbofuran in 2011, but confessed to other murders; sentenced to 100 years imprisonment.
• Diego Fernando Ramírez: also known as "The Butcher of Buga"; cattle rancher who murdered two men in January 2007 in the rural town of Buga; suspected in other similar disappearances from 2006.
• Luis Gregorio Ramírez Maestre: killed 30 motorists in various municipalities; captured in 2012; expected to be released in 2032.
• Fredy Armando Valencia: also known as "The Monster of Monserrate"; raped and strangled at least nine drug-addicted women in the Eastern Hills region between 2012 and 2014; confessed to more murders; sentenced to 36 years imprisonment.

  Costa Rica

• Adrián Arroyo Gutiérrez: also known as "The Southern Psychopath"; raped and strangled between six and eleven drug-addicted prostitutes in San José; sentenced to 110 years imprisonment.

  Croatia

• Vinko Pintarić: murdered five people, including his wife, between 1973 and 1990; escaped from custody three times, killed in a 1991 shootout with the police.

  Czech Republic

• Oto Biederman: member of the "Kolínský Gang" who murdered five people from 1993 to 1995, including a former accomplice; sentenced to life imprisonment.
• Jaroslava Fabiánová: murdered four men between 1981 and 2003 for financial reasons; sentenced to life imprisonment.
• Marie Fikáčková: female nurse in Sušice who was executed by hanging in 1961 for the murders of ten babies.
• Ladislav Hojer: sadist who raped and strangled at least five women from 1978 to 1981 around Czechoslovakia; executed 1986.
• Kateřina z Komárova: 16th-century noblewoman who tortured and maimed between 14 and 30 serfs in Pičín and Příbram; exiled to Prague Castle, where she died in March 1534.
• Václav Mrázek: convicted of the murders of seven women around Chomutov; executed in 1957.
• Martin Lecián: responsible for killing three policemen and a prison officer; executed in 1927.
• Hubert Pilčík: killed at least five people whom he helped cross the border from Czechoslovakia into West Germany; committed suicide in prison in 1951.
• Martin Roháč: former soldier who robbed and killed 59 people between 1568 and 1571 with his accomplices; all were executed in 1571.
• Ivan Roubal: occultist who murdered five people from 1991 to 1994; sentenced to life imprisonment and died in 2015.
• Jaroslav and Dana Stodolovi: couple who robbed and killed eight pensioners from 2001 to 2002; both sentenced to life imprisonment.
• Petr Zelenka: male nurse convicted of murdering seven patients in Havlíčkův Brod by lethal injections to "test" doctors; sentenced to life imprisonment.

  Denmark

• Christina Aistrup Hansen: nurse who killed three patients at the Nykøbing Falster Hospital; charges changed from three murders to four attempted manslaughter charges; initially sentenced to life imprisonment, changed to 12 years in prison.
• Peter Lundin: killed his mother in the United States in 1991, then killed his mistress and her two children in Denmark 9 years later; sentenced to life imprisonment.
• Dagmar Overbye: childcare provider who killed between nine and twenty-five children in her care in Copenhagen; sentenced to death in 1921 then reprieved; died in prison on 6 May 1929.

  Ecuador

• Gilberto Chamba: also known as the "Monster of Machala"; murdered eight people in Ecuador and one in Spain; sentenced to 45 years in prison in Spain on 5 November 2006.
• Juan Fernando Hermosa: also known as "Niño del Terror"; minor responsible for killing twenty-three people from 1991 to 1992 in Quito, mostly taxi drivers and homosexuals; sentenced to four years imprisonment and then released, later murdered on his 20th birthday by unknown assailants.

  Egypt

• Ramadan Abdel Rehim Mansour: also known as "Al-Tourbini"; gang leader who raped and murdered homeless children across Egypt by throwing them off trains in the 2000s, sometimes burying them alive; executed in 2010.
• Raya and Sakina: Egypt's most famous serial killers and the first Egyptian women to be executed by the modern state of Egypt; executed along with their husbands in 1921.

  Estonia

• Johannes-Andreas Hanni: murderer, rapist, and cannibal who killed three people in 1982; committed suicide in police custody on 6 November 1982
• Märt Ringmaa: also known as the "Bomb Man of Pae Street"; killed seven people over the course of ten years in Tallinn using IEDs that exploded in public places.
• Aleksandr Rubel: Ukrainian-born killer who was convicted the murderers of six people in Tallinn as a minor in the late 1990s; released from prison on 8 June 2006.
• Yuri Ustimenko and Dmitry Medvedev: Russian duo who committed robberies, killing five people; Medvedev was killed by police, and Ustimenko was captured in Poland, extradited to Estonia and sentenced to life imprisonment.

  Finland

• Juhani Aataminpoika: also known as "Kerpeikkari"; murdered twelve people in the span of two months in 1849, including his parents; sentenced to death, commuted to life imprisonment; died in 1854.
• Matti Haapoja: convicted murderer of three, but admitted to the killing of 18. Evidence suggests having killed as many as 22–25 people between 1867 and 1894 in Finland and Siberia. Sentenced to life imprisonment, but committed suicide by hanging in a prison cell.
• Ismo Junni: killed his wife in 1980, then killed four people in arson attacks at the Kivinokka allotment garden in Helsinki from 1986 to 1989; committed suicide while in custody.
• Ensio Koivunen: also known as "Häkä-Enska"; abducted and murdered three female hitchhikers between July and August 1971; sentenced for 25 years to prison, but released in the 1980s; died in 2003.
• Jukka Lindholm: murdered three women from 1985 to 1993 in and around Oulu and one in Helsinki in 2018; sentenced to life imprisonment, and is currently appealing the decision. Has spent 25 years in prison between his crimes.
• Aino Nykopp-Koski: a female nurse convicted of five murders and five attempted murders between 2004 and 2009. Sentenced to life in prison.
• Kaisa Vornanen-Karaduman: purposefully neglected her newborn children, starving them to death between 2005 and 2013; initially convicted and sentenced to life imprisonment, later reduced to 13 years imprisonment for manslaughter.

  France

Germany

Ghana

• Charles Quansah: known as the "Accra Strangler"; convicted of the strangulation deaths of nine women in Accra; suspected of killing 34; sentenced to death in 2003.

  Greece

• Antonis Daglis: also known as the "Athens Ripper"; convicted in 1997 of the strangulation murder and dismemberment of three women and the attempted murder of six others; committed suicide in police custody in 1997.
• Hermann Duft and Hans Wilhelm Bassenauer: West Germans who murdered six persons in Greece, within a short period in 1969, were captured, tried, sentenced to death and executed in 1969.
• Aristidis Pagratidis: also known as the "Ogre of Seikh Sou"; allegedly attacked couples in the forested area of Seikh Sou in suburban Thessaloniki from 1958 to 1959, killing three people; executed 1968, and since then his guilt has been questioned.
• Kyriakos Papachronis: also known as the "Ogre of Drama"; murdered three women from 1981 to 1982, committing other crimes as well; sentenced to life imprisonment, released on bail in 2004.
• Mariam Soulakiotis: also known as the "Woman Rasputin"; convent abbot who lured, tortured and killed 177 wealthy women and children from 1939 to 1951; died 1954.
• Dimitris Vakrinos: killed five people and attempted seven more murders for minor quarrels between 1987 and 1996; hanged himself in the prison showers in 1997.

  Hong Kong

• Lam Kor-wan: sexual sadist who murdered and dismembered four women in the 1980s; sentenced to death.
• Lam Kwok-wai: murdered three women, apprehended in 1993 and sentenced to life imprisonment.

  Hungary

• Angel Makers of Nagyrév: group of women led by Susanna Fazekas who poisoned around 300 people in the village of Nagyrév between 1914 and 1929.
• Erzsébet Báthory: countess who killed servant girls; rumored to have killed more than 600.
• Aladár Donászi: robber who killed four people from 1991 to 1992 with his accomplice László Bene; committed suicide in prison in 2001.
• Béla Kiss: murdered at least twenty-four women, escaped justice in the confusion of World War I.
• Péter Kovács: also known as the "Martfű Monster"; truck driver who raped and killed between four and five women from 1957 and 1967, possibly responsible for more murders; executed 1968.
• Gusztáv Nemeskéri: also known as the "Katóka Street Killer"; killed four people between 1996 and 1999 to settle his debts, including his half-brother; sentenced to life imprisonment.
• Zoltán Szabó: also known as the "Balástya Monster"; killed and mutilated at least four women on his farm in Balástya between 1998 and 2001; committed suicide while imprisoned in 2016.

  Iceland

• Björn Pétursson: also known as "Axlar-Björn"; killed at least nine travellers in the 16th century.

  India

• Thug Behram : alleged to have killed over 900 people; executed in 1840.
• Seema Gavit and Renuka Shinde : sisters who kidnapped and murdered five children between 1990 and 1996.
• M. Jaishankar : also known as "Psycho Shankar", involved in about 30 rapes, murders and robbery cases around Tamil Nadu.
• Chandrakant Jha : befriended and murdered seven male migrants from 1998 to 2007; sentenced to life imprisonment.
• Joshi-Abhyankar serial murders: series of ten murders committed by four art students in Pune; all were executed on 27 November 1983.
• KD Kempamma : also known as "Cyanide Mallika"; poisoned six women from 1999 to 2007 with cyanide; India's first convicted female serial killer; sentenced to death, commuted to life imprisonment.
• Surendra Koli : convicted of raping and murdering four children in Delhi in 2005 and 2006 with another twelve cases pending.
• Mohan Kumar : also known as "Cyanide Mohan"; killed twenty female victims with cyanide, claiming they were contraceptive pills; sentenced to death in 2013.
• Ravinder Kumar : killed the children of poor families from 2008 until his arrest in 2015.
• Motta Navas : killed pavement dwellers in their sleep during a three-month period in 2012 in Kollam.
• Santosh Pol : also known as "Dr. Death"; killed six people with succinylcholine in the town of Dhom.
• Raman Raghav : also known as "Psycho Raman"; Mumbai man who killed homeless people and others in their sleep.
• Umesh Reddy alias BA Umesh : confessed to eighteen rapes and murders, convicted in nine cases.
• Ripper Jayanandan : also known as the "Singing Serial Killer"; killed seven people during robberies.
• Satish : also known as the "Bahadurgarh Baby Killer"; confessed to and convicted for ten murders; sentenced to life imprisonment.
• Auto Shankar : murdered nine teenage girls in Thiruvanmiyur, Chennai during a six-month period in 1988; executed in 1995.
• Kampatimar Shankariya : killed at least 70 people with hammer in 1977–78; hung in Jaipur.
• Darbara Singh : convicted for two murders, seventeen suspected victims. Singh had three children; his wife expelled him from their house, because of his "bad habits". Died in Prison in 2018.
• Charles Sobhraj : killed at least twelve Western tourists in Southeast Asia during the 1970s; imprisoned in India and Nepal.
• Akku Yadav : murdered at least three people and dumped their bodies on the railroad tracks; lynched by a mob of around 200 women in Nagpur.

  Indonesia

• Baekuni: also known as "Babe"; pedophile who killed between four and fourteen boys from 1993 to 2010; sentenced to life imprisonment, later changed to the death sentence.
• Very Idham Henyansyah: also known as "Ryan" and the "Singing Serial Killer"; convicted and sentenced to death in 2008 for the killing of eleven people.
• Ahmad Suradji: admitted to killing 42 women around Medan; sentenced to death and executed by firing squad on 10 July 2008.

  Iraq

• Abu Tubar: known as "The Hatchet Man"; murdered an undetermined number of people with a hatchet in 1970s Baghdad; executed 1980.
• Ali Asghar Borujerdi: also known as "Asghar the Murderer"; killed 33 young adults in Iraq and Iran; executed in June 1934.
• Louay Omar Mohammed al-Taei: medical doctor found to have killed 43 wounded policemen, soldiers and officials in Kirkuk; was a member of an insurgent cell.

  Iran

• Mohammed Bijeh: also known as the "Tehran Desert Vampire"; killed at least sixteen young boys near Tehran; executed in 2005.
• Saeed Hanaei: also known as "The Spider Killer"; killed at least sixteen women around Mashhad; executed in 2002.
• Esmail Jafarzadeh: murdered a young girl in 2017, confessing to the murder of two women in 2012 and 2014 after his arrest; executed 2017.
• Gholamreza Khosroo Kurdieh: also known as "The Night Bat"; murdered nine women in Tehran in 1997, burning the bodies afterwards; executed 1997.
• Majid Salek Mohammadi: murdered twenty-four people from 1981 to 1985, primarily women he considered unfaithful to their husbands; committed suicide in prison before he could be sentenced.

  Republic of Ireland

• Geoffrey Evans and John Shaw: Englishmen who traveled to Ireland in 1976 and vowed to murder a woman once a week, killing two; both apprehended and sentenced. Until his 2012 death, Evans was one of Ireland's longest-serving prisoners.
• Darkey Kelly: brothel-keeper who killed six men in the 18th century; accused of witchcraft and was burned at the stake in 1761.
• Alice Kyteler: also known as "The Witch of Kilkenny"; alleged witch who poisoned four husbands in the 14th century; fled to England, fate unknown.

  Israel

• Yahya Farhan: Bedouin serial killer, who murdered between two and four people from 1994 to 2004, including Dana Bennett; sentenced to three consecutive life sentences, and later acquitted of one murder.

  Italy

• Wolfgang Abel and Marco Furlan: German-Italian duo found guilty of ten of 27 counts of murder in 1987.
• Beasts of Satan: Satanic cult members who committed three notorious ritual murders from 1998 to 2004.
• Marco Bergamo: also known as the "Monster of Bolzano"; murdered five women in Bolzano from 1985 to 1992; died from a lung infection in 2017.
• Donato Bilancia: also known as the "Monster of Liguria" murdered seventeen people in seven months between 1997 and 1998.
• Antonio Boggia: also known as the "Monster of Milan"; first documented Italian serial killer; murdered four people for monetary purposes between 1849 and 1859; hanged 1862.
• Ralph Brydges: also known as the "Monster of Rome"; English pastor who is widely believed to have murdered five girls in Rome in the 1920s, and four in other countries; never convicted of his crimes.
• Sonya Caleffi: nurse who poisoned terminally ill patients between 2003 and 2004, killing 5 of them; sentenced to 20 years of imprisonment.
• Luigi Chiatti: also known as the "Monster of Foligno"; kidnapped and killed two children in 1992 and 1993; sentenced to two life sentences, but he was found unfit to stand trial and was reduced to 30 years in a mental hospital.
• Leonarda Cianciulli: also known as the "Soap-Maker of Correggio"; murderer of three women between 1939 and 1940; died in a women's criminal asylum in 1970.
• Ferdinand Gamper: also known as the "Monster of Merano"; killed six people in 1996.
• Pier Paolo Brega Massone: murdered at least four people in Milan and maimed other dozens of victims through unnecessary surgeries to illegally obtain a large amounts of money refunds; convicted and given a life sentence.
• Andrea Matteucci: also known as the "Monster of Aosta"; murdered a merchant and three prostitutes in Aosta from 1980 to 1995; sentenced to 28 years imprisonment and three years in a mental institution.
• Maurizio Minghella: killed five women in his hometown of Genoa in 1978; imprisoned and released, after which he murdered at least four more and is suspected of other murders between 1997 and 2001; sentenced to life imprisonment.
• Giorgio Orsolano: also known as the "Hyena of San Giorgio"; raped, killed and dismembered three girls from 1834 to 1835 in his hometown of San Giorgio Canavese; executed 1835.
• Ernesto Picchioni: also known as "The Monster of Nerola"; murdered people around his home; died of cardiac arrest in 1967.
• Milena Quaglini: murdered her husband and two men who tried to rape her from 1995 to 1999; committed suicide while imprisoned in 2001.
• Gianfranco Stevanin: also known as the "Monster of Terrazzo"; raped and murdered prostitutes after violent sex games between 1993 and 1994; violated the corpse of one victim; sentenced to life imprisonment.
• Giulia Tofana: leader of a group of female poisoners in the 17th century; died in her bed, never been arrested.
• Giorgio Vizzardelli: shot and killed five people around Sarzana from 1937 to 1939; sentenced to life imprisonment; committed suicide by slitting his throat with a kitchen knife in 1973.

  Jamaica

• Lewis Hutchinson: Scottish immigrant convicted of shooting dozens of people in the 18th century; executed in 1773.

  Japan

• Ryuun Daimai: also known as the "Nun Slayer"; former monk who raped and killed at least five people in several cities between 1905 and 1915; executed 1916.
• Sachiko Eto: also known as the "Drumstick Killer"; cult leader who murdered six of her followers with Taiko sticks from 1994 to 1995; executed 2012.
• Satarō Fukiage: raped and killed at least seven girls in the early 20th century; executed 1926.
• Sokichi Furuya: murdered eight elderly people in several western Japanese cities for more than a month in 1965; suspected of four earlier murders, for two of which an accomplice was executed; executed 1985.
• Hiroaki Hidaka: killed four prostitutes in Hiroshima in 1996; executed 25 December 2006.
• Miyuki Ishikawa: midwife who murdered an estimated 103 infants, but could have been up to 169, in the 1940s.
• Chisako Kakehi: poisoned her husband and two other men to death, attempted to kill a fourth man, and is a suspect in another seven deaths; sentenced to death in 2017.
• Kiyotaka Katsuta: firefighter who shot and strangled at least eight people, some during robberies, between 1972 and 1982.
• Kanae Kijima: also known as "The Konkatsu Killer"; marriage fraudster who poisoned between three and seven men for money, from 2007 to 2009; sentenced to death.
• Yoshio Kodaira: rapist thought to have killed eleven people in Japan and China as a soldier; executed on 5 October 1949.
• Genzo Kurita: killed six women and two children and engaged in rape and necrophilia; executed on 16 January 1959.
• Hiroshi Maeue: also known as "Suicide Website Murderer"; Osaka man who lured people from suicide clubs promising to kill himself with his victims.
• Futoshi Matsunaga and Junko Ogata: also known as "House of Horror"; tortured and killed at least seven people between 1996 and 1998, including Ogata's family.
• Tsutomu Miyazaki: also known as "The Otaku Murderer", "The Little Girl Murderer" and "Dracula"; killed four pre-school-age girls and ate the hand of a victim; executed in 2008.
• Seisaku Nakamura: also known as the "Hamamatsu Deaf Killer", murdered at least nine people; executed in 1943.
• Akira Nishiguchi: killed five people and engaged in fraud; executed on 11 December 1970.
• Kiyoshi Ōkubo: also known as "Tanigawa Ivan"; raped and murdered eight young women over a period of 41 days in 1971.
• Miyuki Ueta: former snack hostess who murdered between two and six men she dated in Tottori, from 2004 to 2009; sentenced to death.
• Yukio Yamaji: murdered his own mother in 2000, and then murdered a 27-year-old woman and her 19-year-old sister in 2005.

  Kazakhstan

• Nikolai Dzhumagaliev: also known as "Metal Fang"; raped and hacked seven women to death with an axe in Almaty in 1980, then cannibalised them using his unusual false teeth.
• Yuri Ivanov: also known as the "Ust-Kamenogorsk Maniac"; raped and killed sixteen girls and young women who spoke badly of men in Ust-Kamenogorsk from 1974 to 1987; executed 1987.
• Ivan Mandzhikov: also known as the "Kazgugrad Monster"; raped and strangled four female students and one man in the vicinity of the KazGU University between 1988 and 1989; executed 1993.

  Latvia

• Ansis Kaupēns: army deserter who committed 30 robberies and 19 murders from 1920 to 1926; executed 1927 in Vircava Parish.
• Kaspars Petrovs: convicted of murdering thirteen elderly Riga women in 2005; confessed to killing 38.
• Stanislav Rogolev: also known as "Agent 000"; robbed, raped and killed ten women from 1980 to 1982; suspected of having inside information for the investigation on him; executed 1984.

  Lebanon

• George and Michel Tanielian: also known as the "Taxi Driver Killers"; Syrian brothers who killed and robbed mostly taxi drivers in the Matn District from July to November 2011; both sentenced to death.

  Lithuania

• Antanas Varnelis: murdered and robbed six pensioners between July and December 1992 around several municipalities; first known serial killer in Lithuania; executed 1994.

  Malta

• Silvio Mangion: only known serial killer in Malta; murdered three elderly pensioners during robberies between 1984 and 1998; sentenced to life imprisonment.

  Mexico

• Macario Alcala Canchola: also known as "Jack Mexicano", was a Jack the Ripper copycat active in the 1960s.
• Sara Aldrete: also known as "La Madrina"; cult follower of Adolfo Constanzo; convicted in 1994 of murdering several individuals during her association with Constanzo.
• David Avendaño Ballina: also known as "The Hamburger"; alleged leader of a sex servant gang who robbed and poisoned their clients from 1997 to 2007; arrested in 2008.
• Juana Barraza: also known as "Mataviejitas" ; operated within the metropolitan area of Mexico City until 25 January 2006.
• José Luis Calva: cannibal; police found the remains of multiple female victims in his house; committed suicide on 11 December 2007.
• Gregorio Cárdenas Hernández: known as "the Strangler of Tacuba"; strangled four women in the Tacuba neighbourhood in 1942; died in 1999 of natural causes.
• Andrés Ulises Castillo Villarreal: known as the "Chihuahua Ripper"; drugged, raped, killed and mutilated three men in Chihuahua in 2015; confessed to twelve more murders, but suspected of twenty overall; sentenced to 120 years imprisonment.
• Flor Cazarín González: also known as "The Godmother"; together with her son and another man, she killed and robbed two women in Chihuahua City in 2016; suspected in a total of 25 murders; sentenced to 44 years imprisonment.
• The Ciudad Juárez Rebels: gang of serial killers who killed women in Ciudad Juárez from 1995 to 1996; convicted of eight murders, suspected of killing from ten to 14; claimed to have worked for Abdul Latif Sharif.
• Adolfo Constanzo: also known as "The Godfather of Matamoros"; serial killer and cult leader in Mexico; committed suicide in 1989.
• Edgar Álvarez Cruz and Francisco Granados: responsible for the so-called "Feminicides of the cotton field"; Cruz, with the help of the drugged Granados, kidnapped, raped, tortured and killed at least 8-10 young women in satanic rituals between 1993 and 2003; suspected of committing a total of fourteen murders.
• Pedro Padilla Flores: also known as "El Asesino de Rio Bravo"; killed three women in 1986; escaped to the US but was deported back to Mexico; suspect in the Ciudad Juárez murders.
• Óscar García Guzmán: also known as "The Monster of Toluca"; killed six people between 2006 and 2019, including his father, in Toluca; awaiting trial for murder.
• Gabriel Garza Hoth: also known as "The Black Widower"; killed three women in Mexico City between 1991 and 1998, his victims were wives and lovers.
• Delfina and María de Jesús González: also known as "Las Poquianchis"; killed a total of 91 in Guanajuato; arrested and sentenced to 40 years in prison in 1964.
• Francisco Guerrero Pérez: also known as "El Chalequero" ; the first documented serial killer in Mexico; committed approximately twenty murders in Mexico City between 1880 and 1888 plus one more in 1908.
• Fernando Hernández Leyva: convicted of 33 murders in 1986, suspected of 137 killings.
• Juan Carlos Hernández and Patricia Martínez: pair from Ecatepec, State of Mexico, known as "The Monsters of Ecatepec", who raped, murdered and cannibalized between ten and twenty women. Active between 2012 and 2018.
• Luis Oscar Jiménez Herrera: also known as "The Tinaco Killer"; murdered sixteen women in Nuevo León between 2013 and 2016, but also suspected of a 2010 murder in San Luis Potosí; sentenced to 123 years imprisonment.
• César Armando Librado Legorreta: also known as "El Coqueto"; raped and killed six women in the Greater Mexico City between 2011 and 2012; sentenced to 240 years in prison.
• Los Huipas: gang of four indigenous homosexual men, led by Eusebio Yocupicio Soto, who murdered seven men who made fun of them between 1949 and 1950; initially sentenced to death, later commuted to 30 years imprisonment.
• Rudolfo Infante and Anna Villeda: couple from Matamoros responsible for the murders of eight women. Apprehended in 1991.
• Abdul Latif Sharif: also known as "The Ciudad Juárez Predator"; Egyptian man responsible for murdering an unknown number of women in Ciudad Juárez, possibly as many as fifteen but convicted of only one; died in prison.
• Daniel Audiel López Martínez: killed five women in Ciudad Juárez between 2007 and 2010.
• Raúl Osiel Marroquín: also known as "El Gato Imperial"; killed four gay men in Mexico City.
• Filiberto Hernández Martínez: killed six people between 2010 and 2013 in San Luis Potosí.
• Jorge Humberto Martínez Córtez: also known as "El Matanovias"; killed between two and three of his romantic partners from 2011 to 2014; currently awaiting sentencing.
• Alejandro Máynez: may have killed over 50 women with accomplices.
• Tadeo Fulgencío Mejía: responsible for several murders during the 1890s and 1900s, motivated by delirious idea of contacting his deceased wife. Now the house in Guanajuato, where he committed the crimes, is known as "The House of Laments", and according to legend is haunted.
• Silvia Meraz: Sonora woman involved in an occult sect, killed three people with the aid of family members; sentenced to 180 years in prison.
• Agustín Salas del Valle: also known as "Jack the Strangler"; killed more than twenty women in Mexico City's Central Zone.
• Felícitas Sánchez Aguillón: named "The Ogress of Colonia Roma" was a nurse, midwife and baby farmer responsible for an unknown number of murders during the 1930s, possibly 50 victims, in Mexico City
• Cristina Soledad Sánchez Esquivel: also known as "La Matataxistas"; killed between five and six taxi drivers in Nuevo León in 2010 with her accomplice Aarón Herrera Hernández; sentenced to 130 years imprisonment.
• Magdalena Solís: religious fanatic, proclaimed "The High Blood's Priestess", killed eight persons in ritual sacrifices
• Mario Alberto Sulú Canché: killed three young girls between 2007 and 2008 in Mérida, Yucatán; later died in prison.

  Moldova

• Alexander Skrynnik: also known as the "Moldavian Chikatilo"; killed and then mutilated three women in Chișinău and Yakutia from the mid–1970s to 1980; executed 1981.

  Morocco

• Abdelaâli Hadi: also known as "The Butcher of Taroudant"; raped and murdered nine young children in Taroudant between 2001 and 2004; sentenced to death.
• Hadj Mohammed Mesfewi: also known as "The Marrakesh Arch-Killer"; drugged and killed 36 women; died 1906.

  Netherlands

• Klaas Annink: also known as "Huttenkloas"; robber and murderer from Twente who killed along with his wife Anna and son Jannes; both he and his wife were executed in 1775.
• Hendrikje Doelen: 19th century farm-wife who poisoned several people in a poorhouse from 1845 to 1846, killing three of them; died of natural causes in 1847.
• Willem van Eijk: also known as the "Beast of Harkstede"; convicted of the murders of five women between 1971 and 2001.
• Koos Hertogs: convicted of the murders of three women between 1979 and 1980.
• Aalt Mondria: escaped mental patient who murdered a family of three in 1978; after release, murdered his girlfriend's son in 1997; died 2011 from untreated Hepatitis C.
• Gustav Müller: German watchmaker who murdered his wife and son in Rotterdam in 1897; surrendered and subsequently confessed to killing his parents and at least fourteen other wives around the world; acquitted by reason of insanity and confined to an asylum.
• Hester Rebecca Nepping: poisoned an elderly boarder, her father and husband in two months in 1811; executed 1812.
• Patrick Soultana: strangled two women in 2010, suspected of three more murders; sentenced to 25 years plus provision in 2014.
• Michel Stockx: murdered three children around Assen in 1991; sentenced to 20 years in prison in 1992; died of severe burns from an incident during his work therapy in 2001.
• Maria Swanenburg: suspected of killing between 27 and 90 people with arsenic in Leiden in the 1880s; died in prison in 1915.
• Hans van Zon: murdered three people from April to August 1967, including a former lover; suspected of several other murders; died 1998 from alcohol poisoning.

  New Zealand

• Robert Butler: Irish highwayman who allegedly killed a family of three in Dunedin in 1880; acquitted, but was later hanged for shooting a man in Australia.
• Daniel Cooper: also known as "The Newlands Baby Farmer"; killed two infants and supposedly his first wife; executed 1932.
• Minnie Dean: Scottish immigrant baby farmer who killed at least three children by Laudanum poisoning and suffocation in the 1890s; executed by hanging in 1895.

  North Macedonia

• Viktor Karamarkov: known as "The Macedonian Raskolnikov"; drug addict who murdered four elderly women in Skopje from March to October 2009; sentenced to life imprisonment.
• Vlado Taneski: crime reporter arrested in June 2008 for the murder of three elderly women on whose deaths he had written articles; committed suicide in police custody; suspected of killing another woman.

  Norway

• Arnfinn Nesset: manager of a geriatric nursing home who poisoned twenty-two residents at the Orkdal Alders-og Sjukeheim institution over a period of years before being convicted in 1983.

  Pakistan

• Javed Iqbal: believed to have raped and killed 100 boys, committed suicide while in prison in 1991.
• Amir Qayyum: also known as the "Brick Killer"; murdered fourteen homeless men in Lahore with rocks or bricks when they were asleep and was sentenced to death in May 2006.

  Panama

• Silvano Ward Brown: known as "The Panamá Strangler"; first serial killer in Panamanian history; strangled three women from 1959 to 1973 in the Panamá Province; released in 1993 after serving a 20-year sentence.
• Gilberto Ventura Ceballos: Dominican man who murdered five Panamanian youths of Chinese descent in La Chorrera from 2010 to 2011; sentenced to 50 years imprisonment.
• William Dathan Holbert: also known as "Wild Bill"; American expatriate who had the bodies of five other Americans buried on his property; he would kill people to get their money and properties; his wife, Laura Michelle Reese, was also arrested.

  Peru

• Pedro Pablo Nakada Ludeña: also known as "The Apostle of Death"; convicted of seventeen murders and claimed 25; sentenced to 35 years in prison.

  Philippines

• Edgar Matobato: self-confessed hitman and serial killer who claims to have killed hundreds of people as part of the Davao Death Squad.

  Poland

• Bogdan Arnold: murdered four women in Katowice from 1966 to 1967; also attempted to poison his third wife; executed 1968.
• Władysław Baczyński: killed a woman and three men in Wrocław and Bytom from 1946 to 1957; executed 1960.
• Józef Cyppek: also known as "The Butcher of Niebuszewo"; dismembered his neighbour in 1952; was sentenced to death and executed that same year; suspected of other murders.
• Tadeusz Ensztajn: also known as "Vampire of Łowicz"; raped and killed seven women in Łowicz and the surrounding areas in 1933; sentenced to 15 years in prison in 1934.
• Krzysztof Gawlik: also known as "Scorpio"; murdered five people with a silenced machine gun in 2001; sentenced to life imprisonment.
• Tadeusz Grzesik: leader of the so-called "Bureaucrats Gang"; killed between eight and twenty people in several Polish voivodeships with his gang, mainly owners of exchange offices; suspected of more murders; sentenced to life imprisonment.
• Joachim Knychała: also known as "The Vampire of Bytom" or "Frankenstein", who murdered five women between 1975 and 1982.
• Edmund Kolanowski: necrophile who murdered three women from 1970 to 1982; also mutilated and desecrated corpses he excavated from chapels; executed 1986.
• Karol Kot: killed two people from 1964 to 1966 in his native Kraków, attempted to murder many more; executed 1968.
• Henryk Kukuła: also known as "The Monster from Chorzów"; pedophile who murdered four children from 1980 to 1990; sentenced to 28 years in prison, expected to be released in 2020.
• Tadeusz Kwaśniak: also known as the "Towel Strangler"; violent pedophile who raped and murdered five boys from 1990 and 1991; also responsible for numerous robberies; hanged himself in his prison cell before he could be sentenced.
• Zdzisław Marchwicki: also known as the "Zagłębie Vampire"; convicted of murdering fourteen women; executed in 1976.
• Nikifor Maruszeczko: criminal who killed four men for the purpose of robbery; executed 1938.
• Władysław Mazurkiewicz: also known as "The Gentleman Killer"; killed up to 30 women; executed by hanging in 1957.
• Stanisław Modzelewski: murdered seven women in Łódź during the 1960s; executed in 1970.
• Henryk Moruś: killed seven people in the Piotrków Voivodeship from 1986 to 1992; sentenced to 25 years imprisonment; died of probable heart failure in 2013.
• Grzegorz Musiatowicz: violent criminal who killed three men between 2002 and 2014; sentenced to life imprisonment.
• Leszek Pękalski: also known as the "Vampire of Bytów"; killed up to seventeen women.
• Kazimierz Polus: pedophile who killed two boys and one man from 1971 to 1982; executed 1985.
• Skin Hunters: Karol Banaś, Andrzej Nowocień, Dr. Janusz Kuliński and Dr. Paweł Wasilewski; paramedics and doctors in Łódź who killed patients for profit; all four were convicted and officials are investigating possible accomplices.
• Mariusz Sowiński: also known as "The Stefankowice Vampire"; raped and killed four women from 1994 to 1997; sentenced to 50 years in prison.
• Paweł Tuchlin: also known as "Scorpion"; killed nine women and attempted to kill eleven more to feel better; executed 1987.
• Mieczysław Zub: also known as "Fantomas"; killed four women the area of Ruda Śląska; committed suicide in 1985.

  Portugal

• Diogo Alves: also known as the "Aqueduct Murderer"; Spanish man who robbed and threw poor people off Lisbon's Águas Livres Aqueduct between 1836 and 1840; executed 1841.
• António Luís Costa: ex-GNR officer from Santa Comba Dão who murdered three women between 2005 and 2006; sentenced to 25 years in prison.

  Romania

• Vera Renczi: poisoned two husbands, one son and 32 of her suitors in the 1920s and 1930s.
• Ion Rîmaru: murdered and raped young women in Bucharest from 1970 to 1971; executed in 1971.
• Vasile Tcaciuc: also known as "The Butcher of Iași": murdered victims with an axe and confessed to have committed at least 26 murders; shot dead by a policeman while trying to escape from prison.
• Romulus Vereș: convicted of five murders in the 1970s; sent to a mental institution; died in 1993.

  Russia

Serbia

• Baba Anujka ; professional poisoner who poisoned between 50 and 150 people until apprehended in 1928.

  Slovakia

• Matej Čurko: also known as the "Slovak Cannibal"; killed and cannibalized two willing victims in 2010 in Kysak, suspected of another 28 such cases from 2009 to 2011; killed by police in 2011.
• Juraj Lupták: also known as the "Strangler from Banská Bystrica"; shepherd who raped and strangled three women from 1978 to 1982; executed 1987 in Bratislava.
• Ondrej Rigo: killed, raped and mutilated nine women in Amsterdam, Munich and Bratislava, always wearing socks on his hands; he remains the Slovak murderer with the highest number of victims and he is also the most prolific serial killer in modern Slovak history.
• Jozef Slovák: after serving just 8 years for his first murder from 1978, Slovák killed at least four other women in Slovakia and Czech Republic in the early 1990s; highly intelligent, holder of numerous patents in electronics.

  Slovenia

• Silvo Plut: killed three women in Slovenia and Serbia from 1990 until 2006; committed suicide in prison in 2007.
• Metod Trobec: raped and killed at least five women between 1976 and 1978; committed suicide in prison in 2006.

  South Africa

• Asande Baninzi: killed eighteen people in the span of three months in 2001 with accomplice Mthutuzeli Nombewu; was given 19 life sentences and 189 years imprisonment.
• Pierre Basson: first documented South African serial killer; killed nine people in Claremont between 1903 and 1906 and buried them in his backyard; committed suicide to avoid arrest.
• Sibusiso Duma: murdered seven people in the Pietermaritzburg area of KwaZulu Natal in 2007.
• Gamal Lineveldt: responsible for the "Cape Flats Murders"; murdered four European women from October to November 1940; executed 1942.
• Cedric Maake: also known as the "Wemmer Pan Killer"; serial rapist; murdered at least 27 people from 1996–1997.
• Bulelani Mabhayi: also known as "The Monster of Tholeni"; killed twenty women and children from 2007 to 2012 in the village of Tholeni in the Eastern Cape.
• Simon Majola: together with accomplice Themba Nkosi, known as "The Bruma Lake Killers"; robbed and drowned at least eight men in Bruma Lake from 2000 to 2001; both sentenced to life imprisonment.
• Fanuel Makamu: also known as "The Mpumalanga Serial Rapist"; along with accomplice Henry Maile, robbed, raped and murdered six six women from February to September 2000; Maile was shot by police on September 14, while Makamu was captured and sentenced to 165 years imprisonment.
• Jimmy Maketta: also known as "The Jesus Killer" convicted on sixteen counts of murder, nineteen counts of rape from 1996–1999.
• Johannes Mashiane: also known as "The Beast of Atteridgeville" thirteen counts of murder, twelve counts of sodomy from 1982–1989.
• Daisy de Melker: poisoner; killed two husbands and one son between 1923–1932; executed in 1932.
• Samuel Bongani Mfeka: strangled six women from 1993 to 1996 in KwaZulu-Natal.
• Jack Mogale: also known as the "West-End serial killer"; convicted of raping and murdering sixteen women in Johannesburg in 2008 and 2009.
• Elifasi Msomi: also known as "The Axe Killer" murdered fifteen people from 1953–1955, claiming that he was under the influence of the Tokoloshe.
• Mukosi Freddy Mulaudzi: also known as "The Limpopo Serial Killer"; escaped convict, originally responsible for two murders in 1990, who murdered eleven more people between 2005 and 2006; given 11 life sentences.
• Nicholas Lungisa Ncama: murdered six people in the Eastern Cape in 1997; sentenced to life in prison.
• Velaphi Ndlangamandla: also known as "The Saloon Killer"; robber who murdered nineteen people around Mpumalanga from April to September 1998; sentenced to 137 years imprisonment.
• David Randitsheni: also known as "Modimolle Serial Killer" raped and murdered ten children from 2004–2008.
• Gert van Rooyen: allegedly abducted and murdered at least six girls from across South Africa from 1988–1989.
• Louis van Schoor: former security guard who confessed to murdering 100 people; released on parole.
• Khangayi Sedumedi: also known as the "Century City Killer"; raped, robbed and murdered between four and six women in Century City from 2011 to 2015; sentenced to life imprisonment.
• Samuel Sidyno: also known as "Capital Hill Serial Killer"; murdered seven people in Pretoria from 1998–1999.
• Norman Afzal Simons: also known as "Station Strangler" raped, sodomised and murdered twenty-two children on the Cape Flats from 1986–1994.
• Moses Sithole: also known as the "ABC Killer" and the "South African Strangler"; raped and killed at least 38 young women in Atteridgeville, Boksburg and Cleveland from 1994–1995.
• Thozamile Taki: also known as the "Sugarcane Serial Killer"; robbed and killed ten women in KwaZulu Natal and three in Eastern Cape, dumping their bodies in sugarcane and tea plantations.
• Sipho Thwala: also known as the "Phoenix Strangler"; raped and murdered nineteen women in the sugarcane fields of KwaZulu Natal from 1996 to 1997.
• Stewart Wilken: also known as "Boetie Boer"; raped, sodomised and murdered at least seven victims in and around Port Elizabeth from 1990–1997.
• Elias Xitavhudzi: also known as "Pangaman" murdered sixteen people in Atteridgeville in the 1960s.
• Christopher Mhlengwa Zikode: also known as "Donnybrook Serial Killer"; murdered eighteen people in Donnybrook, KwaZulu-Natal from 1994–1995.

  South Korea

• Chijon family: gang of cannibals that was sentenced to death for killing five people; sentenced to death in 1994; all members were executed by hanging on November 2, 1995.
• Véronique Courjault: French woman who confessed to killing three of her babies, stuffing two of them in a freezer at their family home in South Korea; sentenced to 8 years imprisonment in 2009, released 2010.
• Crown Prince Sado: Joseon prince who raped and killed his palace staff; sealed in a rice chest and died.
• Jeong Du-yeong: killed an officer in 1986; after release, killed eight other people in robberies from 1999 to 2000; sentenced to death.
• Jeong Nam-gyu: sexually assaulted and killed fourteen people from 2004 to 2006; died in hospital after failing to hang himself the previous day.
• Kang Ho-sun: sentenced to death in 2010 for killing ten women, including his wife and mother-in-law.
• Kim Hae-sun: violent drunkard who raped and killed three children in 2000; sentenced to death in 2001.
• Kim Sun-ja: poisoned five people with potassium cyanide between 1986 and 1988 for monetary reasons; executed 1997.
• Lee Choon-jae: responsible for the "Hwaseong serial murders"; murdered fifteen women, including his sister-in-law, and raped numerous others; sentenced to life imprisonment for one murder in 1994, and connected to the others decades later.
• Yoo Young-chul: cannibal; killed twenty-one people from September 2003 to July 2004, mainly young women and rich men; sentenced to death in 2004.

  Spain

• Andrés Aldije Monmejá and José Muñoz Lopera: responsible for the "Frenchman's Garden" murders; owners of an illegal gambling house who killed six visitors from 1889 to 1904; both garroted in 1906.
• Francisca Ballesteros: known as La Viuda Negra, poisoned her husband and three children in Valencia between 1990 and 2004, sentenced to 84 years in prison in 2005.
• Manuel Blanco Romasanta: travelling salesman who claimed to be a werewolf, confessed to thirteen murders and was convicted of eight in 1853; his initial death sentence commuted in order to make a study in clinical lycanthropy, died in prison ten years later.
• Manuel Delgado Villegas: also known as El Arropiero, wandering criminal with XYY syndrome that confessed to 48 murders in Spain, France and Italy, including his girlfriend; considered guilty of seven and interned in a mental institution until his death in 1998.
• Joaquín Ferrándiz Ventura: insurance salesman who murdered five women in Castellón Province between 1995 and 1996.
• Alfredo Galán: also known as "The Playing Card Killer", Spanish Army corporal who killed six individuals in 2003.
• Juan Díaz de Garayo: also known as "The Sacamantecas"; killed six people from 1870 to 1879 in Álava. Executed by garrote in 1881.
• Francisco García Escalero: also known as El Mendigo Asesino ; schizophrenic beggar convicted of eleven murders, confined to a psychiatric hospital since 1995
• Gila Giraldo: also known as "La Serrana de la Verra"; alleged 15th-16th century serial killer who beheaded men she slept with.
• Tony Alexander King: also known as the "Costa Killer"; British sex offender who murdered two girls in Málaga in 1999 and 2003; suspected of possibly committing more murders in his native UK; sentenced to 19 years imprisonment.
• Ramón Laso: killed his two wives, child and brother in law in order to pursue extra-marital relationships.
• Enriqueta Martí: self-proclaimed witch who kidnapped, prostituted, murdered and made potions with the remains of small children in early 20th century Barcelona ; murdered in prison while awaiting trial in 1913.
• Dámaso Rodríguez Martín: El Brujo, serial rapist and voyeur imprisoned in 1981 after attacking a couple, killing the man and raping the woman. Escaped from prison to the Anaga mountains in 1991, where he killed two German hikers. Cornered in an abandoned house, he shot himself unsuccessfully, only to be shot dead in turn by law enforcement.
• Jorge Ignacio Palma: known as "The Butcher"; Colombian drug trafficker linked to the murders of at least three prostitutes in Valencia between 2019 and 2020; awaiting murder trial.
• José Antonio Rodríguez Vega: El Mataviejas, raped and killed at least sixteen elderly women, sentenced to 440 years in prison in 1995, murdered by fellow inmates in 2002.
• Abdelkader Salhi: known as the "10 Killer"; German convicted of a robbery-murder in 1988 in Germany, later moving to Spain and allegedly murdering three prostitutes from August to September 2011; currently awaiting sentencing.
• Gustavo Romero Tercero: "The Valdepeñas Killer", killed three people from 1993 to 1998.
• Margarita Sánchez Gutiérrez: known as "The Black Widow of Barcelona"; poisoned family members and relatives, killing four of them; acquitted of the murders, but sentenced to 34 years for other crimes.

  Swaziland

• David Thabo Simelane: raped and killed 28 women, suspected of 45; sentenced to death in 2011.

  Sweden

• Anders Hansson: hospital orderly in Malmö who poisoned his victims with detergents Gevisol and Ivisol between October 1978 and January 1979; his actions were called the "Malmö Östra hospital murders".
• Anders Lindbäck: vicar who poisoned poor people with arsenic, three of them who died; committed suicide in custody in 1865.
• John Ingvar Lövgren: confessed to four murders committed between 1958 and 1963 in the Stockholm region.
• Hilda Nilsson: known as "The Angel Maker on Bruks Street"; Helsingborg baby farmer who murdered eight children; committed suicide in custody in 1917.

  Switzerland

• Roger Andermatt: also known as the "Death-Keeper of Lucerne"; nurse who killed twenty-two people from 1995 to 2001; sentenced to life imprisonment.
• Werner Ferrari: child killer who lured his victims from popular festivals, strangling them afterwards; sentenced to life imprisonment.
• Erich Hauert: sex offender who committed eleven rapes and three murders from 1982 to 1983; sentenced to life imprisonment; his case impacted treatment of dangerous sexual offenders in Switzerland tremendously.

  Taiwan

• Chen Ruiqin: known as "The Chiayi Demon"; murdered five relatives and one girlfriend for insurance money between 1985 and 2003; also suspected in two other disappearances; executed 2013.
• Lin Yuru: fatally poisoned three relatives in Puli to pay off gambling debts between 2008 and 2009; sentenced to death.
• Zhang Renbao: murdered three women from 1993 to 2003, also sexually violating the first victim; sentenced to death.

  Tunisia

• Naceur Damergi: rapist who killed thirteen minors in the Nabeul region in the 1980s; executed by hanging in 1990.

  Turkey

• Süleyman Aktaş: also known as the "Nailing Killer"; killed five people and nailed them in the eyes and head; he is kept in a psychiatric hospital.
• Adnan Çolak: also known as "The Beast of Artvin"; killed seventeen elderly women in Artvin, Turkey from 1992 to 1995; in 2000 he was sentenced to death six times, and 40 years in prison. However, since October 1984, Turkey has not executed any prisoners, and as of 2004, Turkey does not have capital punishment.
• Seyit Ahmet Demirci: also known as the "Furniture dealers' killer"; killed three furniture dealers selected at random and because he was sexually abused by his employer during his youth; sentenced to death.
• Özgür Dengiz: serial killer from Ankara, who killed four people and cannibalized at least one.
• Atalay Filiz: fugitive suspected of four murders from 2012 to 2016.
• Ali Kaya: also known as "The Babyface Killer"; responsible for ten murders.
• Hamdi Kayapınar: also known as "Avcı" ; killed eight people from 1994 to 2018; sentenced to life imprisonment.
• Yavuz Yapıcıoğlu: also known as "The Screwdriver Killer"; responsible for at least eighteen murders.

  Ukraine

• Zaven Almazyan: also known as the "Voroshilovgrad Maniac"; Russian soldier who raped and killed three women in Voroshilovgrad; executed 1973.
• Oleksandr Berlizov: also known as the "Night Demon"; sexual psychopath who raped numerous women from 1969 to 1972 in Dnipropetrovsk, killing nine of them; executed 1972.
• Sergei Dovzhenko: killed between seventeen and nineteen people in his native home of Mariupol for "mocking" him; sentenced to life imprisonment.
• Tamara Ivanyutina: also known as the "Kiev Poisoner"; poisoned people from personal spite 1976 to 1987, killing nine of them; executed 1987.
• Ruslan Khamarov: seduced and murdered eleven women in his home from 2000 to 2003; sentenced to life imprisonment.
• Oleg Kuznetsov: also known as "The Balashikha Ripper"; killed a total of ten people in Russia and Ukraine; sentenced to death but commuted to life imprisonment.
• Anatoly Onoprienko: also known as "The Terminator"; murdered 52 people from 1989 until his capture in 1996; died in prison in 2013.
• Viktor Sayenko and Igor Suprunyuk: also known as the "Dnepropetrovsk Maniacs"; teenagers in Dnipropetrovsk who bludgeoned 21 people to death in 2007 with the aid of a third teenager, often filming their murders; sentenced to life in prison in 2009.
• Serhiy Tkach: convicted of raping and murdering 36 women between 1980–2005; claims the total is 100.
• Vladyslav Volkovich and Volodymyr Kondratenko: also known as the "Nighttime Killers"; charged with shooting, stabbing and bludgeoning sixteen victims to death in Kiev between 1991 and 1997; Kondratenko committed suicide in prison during the trial; Volkovich was found guilty and sentenced to life imprisonment.

  United Kingdom

England

• Stephen Akinmurele: also known as the "Cul-de-sac killer"; committed suicide in Strangeways in 1999 while awaiting trial for the murders of five elderly people in Blackpool and the Isle of Man between 1995 and 1998.
• Beverley Allitt: also known as "Angel of Death"; Lincolnshire paediatric nurse who killed four children in her care and injured at least nine others; sentenced to life imprisonment in 1991.
• Mary Bateman: also known as the "Yorkshire Witch"; 19th century thief hanged for the poisoning of a couple ; suspected in three more deaths; executed 1809.
• Levi Bellfield: also known as the "Bus Stop Stalker"; convicted of the 2002 murder of Amanda Dowler and two fatal hammer attacks on young women in South West London in 2003 and 2004.
• John Bishop, Thomas Williams, Michael Shields and James May: known as "The London Burkers"; English copycats of Burke and Hare.
• Geordie Bourne: Scottish 16th century bandit who killed seven people around the East English Marches; executed by unknown means.
• Ian Brady and Myra Hindley: also known as the "Moors Murderers"; murdered five children, aged between 10 and 17 between 1963 and 1965. Buried four of their victims on Saddleworth Moor.
• Mary Ann Britland: poisoned her daughter, husband, and the wife of her lover in 1886; first woman to be executed by hanging at Strangeways Prison in Manchester in 1886 by executioner James Berry.
• Peter Bryan: institutionalized for fatal hammer attack on woman in 1993; re-apprehended for cannibalizing a friend in 2004, but able to batter a fellow patient to death months later.
• George Chapman: Polish-born poisoner who murdered three women between 1897 and 1902; suspected by some authors of being Jack the Ripper. Executed in 1903.
• John Childs: known as the most prolific hit man in the United Kingdom, he was convicted in 1979 of six contract killings, though none of the bodies have been found.
• John Christie: gassed, raped and strangled at least five women from 1943 to 1953, hiding the bodies at his house in Notting Hill, London; also strangled his wife Ethel, as well as the wife and baby daughter of neighbour Timothy Evans, who was wrongfully executed for their murders.
• Robert George Clements: doctor who committed suicide when due to be arrested for poisoning his fourth wife; his other three wives all died suspiciously during the interwar period.
• Mary Ann Cotton: Victorian killer; said to have poisoned more than twenty victims; hanged in 1873.
• Thomas Neill Cream: also known as the "Lambeth Poisoner"; began his killing spree in the United States then moved to London; hanged in 1892.
• Dale Cregan: sentenced to a whole life order in prison for four counts of homicide in 2012 involving the use of firearms, including killing two police officers, and three separate counts of attempted murder in Greater Manchester.
• Sarah Dazley: also known as the "Potton Poisoner"; poisoned her husband with arsenic; suspected of killing her first husband and child; hanged 1843.
• Frederick Bailey Deeming: in 1891 killed his wife and four children in Britain; remarried and moved to Australia, and then murdered his new wife.
• Joanna Dennehy: stabbed three men to death and tried to kill two others selected at random in what would become known as the "Peterborough Ditch Murders" in 2013; sentenced to life in prison.
• John Duffy and David Mulcahy: also known as the "Railway Killers"; killed three women near railway stations in the 1980s.
• Amelia Dyer: murdered infants in her care; executed by hanging at Newgate Prison in 1896.
• Kenneth Erskine: also known as the "Stockwell Strangler"; sentenced to life imprisonment in 1988 for murdering seven pensioners.
• Catherine Flannigan and Margaret Higgins: two Irish women known as "The Black Widows of Liverpool"; killed at least four people by poisoning in the 1880s in order to obtain insurance money.
• Steven Grieveson: also known as "The Sunderland Strangler"; murdered four teenage boys in Sunderland, Tyne and Wear between 1990 and 1994.
• Stephen Griffiths: also known as the "Crossbow Cannibal"; convicted of murdering three prostitutes in Bradford in 2009 and 2010.
• Allan Grimson: Royal Navy petty officer convicted of two murders from 1997 to 1998; suspected of murdering up to twenty people across the UK, Gibraltar and New Zealand.
• John Haigh: also known as the "Acid Bath Murderer" and the "Vampire of London"; active in England during the 1940s; convicted of six murders, but claimed to have killed nine; executed in 1949.
• Anthony Hardy: also known as the "Camden Ripper"; convicted of three murders; suspected of at least four.
• Trevor Hardy: also known as "The Beast of Manchester"; killed three teenage girls in Manchester from 1974 to 1976.
• Philip Herbert: also known as the "Infamous Earl of Pembroke"; 17th century nobleman convicted of manslaughter but discharged; later killed the prosecutor and pardoned for a third murder.
• Colin Ireland: also known as "The Gay Slayer"; killed five gay men in London in the early 1990s; died in prison in 2012.
• Theodore Johnson: Jamaican immigrant who murdered his wife and two girlfriends from 1981 to 2016; sentenced to 26 years imprisonment.
• Bruce George Peter Lee: serial killer and arsonist responsible for 26 deaths in the town of Hull from 1973 to 1979.
• Robin Ligus: drug addict convicted of robbing and bludgeoning three men to death with an iron bar in Shropshire in 1994.
• Michael Lupo: also known as "The Wolf Man"; Italian-born man convicted of the murders of four men and two attempted murders in London in the 1980s; died in prison in 1995.
• Patrick Mackay: charged with the murders of five individuals in London and Kent, convicted of three; confessed to killing eleven people from 1974 to 1975.
• Robert Maudsley: also known as "Hannibal The Cannibal"; killer of four; killed three in prison.
• Raymond Morris: also known as the "A34 Killer"; convicted of one murder, considered to have committed at least two more.
• Robert Hicks Murray: bigamist who murdered his first wife and three children, and then killed himself in a murder-suicide in 1912; posthumously connected to the killings of at least seven previous wives.
• Robert Napper: also known as the "Green Chain Rapist"; killed two women and a child in the 1990s.
• Donald Neilson: also known as the "Black Panther"; killed four people, including heiress Lesley Whittle.
• Dennis Nilsen: also known as "The Muswell Hill Murderer"; killer of fifteen men between 1978 and 1983 in North London.
• Colin Norris: nurse convicted of killing four patients in Leeds hospitals between 2001 and 2002.
• William Palmer: also known as "Palmer the Poisoner"; doctor suspected of numerous murders, convicted of one; hanged in 1856.
• Stephen Port: drugged, raped and murdered four men in Barking, London between 2014 and 2015; convicted in 2016.
• Elizabeth Ridgeway: poisoned her husband in 1684; after arrest, confessed to poisoning three more people starting from 1681; executed 1684.
• Amelia Sach and Annie Walters: known as "The Finchley Baby Farmers"; baby farmers who used chlorodyne to poison an unknown number of infants; both hanged at the HM Prison Holloway in 1903.
• Harold Shipman: also known as "Dr. Death"; doctor convicted of fifteen murders; a later inquiry stated he had killed at least 215 and possibly up to 457 people over a 25-year period; committed suicide in 2004 in prison.
• George Joseph Smith: also known as "The Brides in the Bath" killer who murdered three women.
• Rebecca Smith: poisoned her infant son with arsenic in 1849, later confessing to doing the same to seven of her other children; executed 1849.
• John Straffen: murdered three children between 1951 and 1952; Britain's longest-serving prisoner until his death in 2007.
• Peter Sutcliffe: also known as the "Yorkshire Ripper"; convicted in 1981 of murdering thirteen women and attacking seven more from 1975 to 1980.
• Thomas Griffiths Wainewright: artist considered to have poisoned four people.
• Margaret Waters: baby farmer from Brixton who drugged and starved the infants in her care; believed to have killed at least nineteen children; executed on 11 October 1870.
• Fred West and Rosemary West: also known as the "House of Horrors" murderers; she was convicted of ten murders; both are believed to have tortured and murdered at least twelve young women between 1967 and 1987, many at their home in Gloucester; he committed suicide in 1995 while awaiting trial.
• Ada Williams: 19th-century baby farmer who strangled an infant in September 1899; suspected of more murders; executed 1900.
• Catherine Wilson: nurse considered to have poisoned seven people in the 19th century; executed in 1862.
• Mary Elizabeth Wilson: also known as the "Merry Widow of Windy Nook"; convicted of murdering two husbands by poisoning and considered to have killed two others.
• Steve Wright: also known as "The Suffolk Strangler"; killed five women in six weeks around Ipswich in late 2006; sentenced to life imprisonment.
• Graham Young: also known as "The Teacup Poisoner"; killed three people from 1962 to 1971; died in prison in 1990.

  Northern Ireland

• Shankill Butchers: The Shankill Butchers was an Ulster loyalist gang—many of whom were members of the Ulster Volunteer Force —that was active between 1975 and 1982 in Belfast, Northern Ireland. The gang was based in the Shankill area and were responsible for the deaths of at least twenty-three people, most of whom were Irish Catholics killed in sectarian attacks.

  Scotland

• Robert Black: schoolgirl killer; convicted of four murders in Northern Ireland, England, and Scotland between 1981 and 1986, suspected of many more; died in prison in 2016.
• William Burke and William Hare: notorious body snatchers in Edinburgh in the 19th century.
• Archibald Hall: also known as the "Monster Butler"; killed five in the 1970s, three with accomplice Michael Kitto.
• Peter Manuel: also known as the "Beast of Birkenshaw"; American-born murderer of seven, suspected of killing 15; executed in 1958.
• Edward William Pritchard: English doctor who poisoned his wife and her mother in Glasgow in 1865; two years earlier their maid had died in a mysterious fire.
• Angus Sinclair: convicted of the murders of four young women, including the "World's End Murders" in Edinburgh, believed to have murdered eight; died in prison in 2019.
• Peter Tobin: rapist and killer of three women in Scotland and England between 1991 and 2006; sentenced to life in prison.

  Wales

• John Cooper: also known as "The Wildman" and "The Bullseye Killer"; Pembrokeshire burglar responsible for the robbery and shotgun double-murders of a brother and sister in 1985 and a couple in 1989.
• Peter Moore: also known as "The Man in Black"; businessman who killed four men at random in North Wales in 1995.

  United States

Uruguay

• Pablo Goncálvez: Spanish-born murderer who killed tennis player Patricia Miller's half-sister and two other women; freed in 2016 but was arrested in 2017 in Paraguay for carrying an unregistered weapon and a quantity of cocaine.

  Uzbekistan

• Polatbay Berdaliyev: raped, murdered and robbed a total of eleven women in Uzbekistan and neighboring Kazakhstan with accomplice Abduseit Ormanov between 2011 and 2012; both sentenced to life imprisonment in both countries.

  Venezuela

• Dorángel Vargas: killed and cannibalized at least ten men between 1997 and 1999 in San Cristóbal, Táchira.

  Yemen

• Abdallah al-Hubal: killed seven people in 1990 after the Yemeni reunion; fled prison and killed a young couple and three other people in 1998; killed in a shootout with the police.
• Mohammed Adam Omar: known as "The Sana'a Ripper"; Sudanese morgue assistant who killed between two and 51 women across Yemen and other countries from 1975 to 1999; guilt has been questioned; executed 2001.
• Dhu Shanatir: 5th-century Yemeni serial killer.

  Zambia

• Mailoni Brothers: three brothers who killed at least twelve people from 2007 to 2013 in Central Province.

  Zimbabwe

• Richard McGown: also known as "Dr. Death"; Scottish doctor responsible for administering fatal doses of morphine to at least five patients in Harare from 1986 to 1992; convicted of two counts of culpable homicide and sentenced to a year in prison, after which he was released and returned to the UK.

  Unidentified serial killers

Australia

• Bowraville Murders: murders of three Aboriginal children in 1990 and 1991.
• Claremont serial killings: murders of two young women and the disappearance of a third in 1996 and 1997.
• The Family Murders: murder and mutilation of five young men and boys from 1979 to 1983. Bevan Spencer von Einem was convicted of one murder.
• Tynong North and Frankston Murders: murders of six females in Tynong North and Frankston in 1980 and 1981.

  Belgium

• Brabant killers: gang of serial killers who operated in the Brabant province from 1982 until 1985; murdered 28 people and injured 40.
• The Butcher of Mons: unidentified serial killer who committed five murders from January 1996 to July 1997 in Mons. Montenegrin murderer Smail Tulja is suspected of being the Butcher.

  Brazil

• Paturis Park murders: also known as the "Rainbow Maniac"; series of thirteen gunshot murders of gay men between July 2007 and August 2008 in Paturis Park in Carapicuiba.

  Canada

• Highway of Tears: death and disappearance of around 40 young women in British Columbia since 1969.
• Toronto hospital baby deaths: deaths of at least eight babies at Toronto's Hospital for Sick Children in 1980 and 1981 were initially alleged to be digoxin poisonings, a theory which was cast into doubt by new evidence in 2010–2011.

  Costa Rica

• El Psicópata: killed nineteen people from 1986 to 1996 in Cartago, Curridabat and Desamparados; suspected of other similar crimes.

  Finland

• Helsinki cellar killer: suspected of raping and strangling three women in Helsinki cellars between 1979 and 1981, including Susanne Lindholm; the validity of this theory has been disputed.
• Järvenpää Serial Killer: responsible for the so-called "Hausjärvi Gravel Pit Murders"; killed a woman in 1991 and suspected in the disappearance of another in 1993; possibly responsible for other abductions and murders in the late 20th century.

  Germany

India

• Beer Man: murdered seven people in south Mumbai between October 2006 and January 2007.
• Stoneman: responsible for thirteen murders in Kolkata in 1989.

  Italy

• Monster of Florence: committed eight murders of couples in a series of sixteen between 1968 and 1985. Giancarlo Lotti and Mario Vanni were convicted of four of the murders, but this conviction has been widely criticized.
• Monster of Udine: killed at least four victims in the Province of Udine, Italy.

  Japan

• Paraquat murders: series of indiscriminate poisonings carried out in Japan in 1985 where twelve people were killed.
• Wednesday Strangler: killed 7 children and women in Saga Prefecture between 1975 and 1989, most of them on Wednesdays; a suspect was indicted for three of the murders, but later acquitted.

  Mexico

• Feminicides in Ciudad Juárez: also known as "The dead women of Juárez"; the violent deaths of hundreds of women since 1993 in the northern Mexican city of Ciudad Juárez.

  Namibia

• B1 Butcher: murdered at least five women between 2005 and 2007, with all murders related to the National Road B1.

  Nicaragua

• San Juan del Sur Psychopath: murdered between two and ten men in the coastal town of San Juan del Sur, from 2000 to 2002; a German illegal alien residing in Managua was arrested on suspicion, but later cleared of the murders.

  Poland

• Łódź Gay Murderer: murdered seven homosexual men from 1988 to 1993 in Łódź.

  Portugal

• Lisbon Ripper: murdered three women in Lisbon between 1992 and 1993.

  Russia

South Africa

• Sleepy Hollow Killer: thought to be responsible for the murders of at least thirteen women in the late 1990s, including three more in 2007, around Pietermaritzburg and the surrounding area.

  United Kingdom

• Bible John: thought to be responsible for the deaths of three women in Glasgow, Scotland, in the late 1960s.
• Jack the Ripper: murdered prostitutes in the East End of London in 1888.
• Jack the Stripper: responsible for the London "Hammersmith nude murders" between 1964 and 1965.
• Thames Torso Murderer: thought to be responsible for the murder and dismemberment of four women in London between 1887 and 1889.

  United States