Most prolific murderers by number of victims
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This is a list of the most prolific recorded murderers by confirmed number of victims. Both serial killers and spree killers are included, but acts of terrorism are excluded. The murders must be reliably referenced to have been committed "with [the murderer's] own hands." Counting victims of very prolific murderers is by no means an exact science, so individuals are listed here by the most common consensus figures, where possible. In cases of murder-suicide, the perpetrator is not included in the victim count.

List

Victims	Name(s)	Location	Time active	Additional information
~80-612	Elizabeth Báthory	Čachtice, Kingdom of Hungary	1585 to 1610[1]	Total unknown, but evidence points to between 80 and 612 victims.[2]
~125-931	Thug Behram	India	1790 to 1830[3]	Thugee cult leader. Total disputed.[4]
300+	Pedro López	Colombia, Peru, Ecuador	1978 to 1980[5]	Total unknown.
250-459	Dr. Harold Shipman	Hyde, United Kingdom	1975 to 1998[6]
~172	Luis Garavito	Colombia	1992 to 1998[7]
103+	Miyuki Ishikawa	Shinjuku, Tokyo, Japan	1944 to 1948[8]
100	Javed Iqbal	Lahore, Pakistan	1996 to 1999[9]
91	Delfina and María de Jesús González	Guanajuato, Mexico[10]	1955 - 1964
80-200+	Gilles de Rais	France	1435 to 1440[11]	Estimated totals range substantially.
72	Daniel Barbosa	Colombia, Ecuador	1986 to 1988[12]
67	Yang Xinhai	Henan, People's Republic of China	1999 to 2003[13]
58+	Giuseppe Greco	Sicily, Italy	1977 to 1985[14]	At least 58 murders; exact total unknown.
57	Woo Bum-kon	Gyeongsangnam-do, South Korea	April 26 to April 27, 1982[15]
53	Andrei Chikatilo	Rostov-on-Don, USSR	1978 to 1990[10]
52	Anatoly Onopriyenko	Lviv, Ukraine	1989 to 1996[10]
48	Alexander Pichushkin	Moscow, Russia	2001 to 2006[16]	Known as the Chessboard Killer. Confessed to 15 more.
48	Gary Ridgway	Green River Valley, Washington, United States	1982 to 2000[17]	Known as The Green River Killer.
45	Andrew Kehoe	Bath, Michigan	May 18, 1927[18]	Known as the Bath School Massacre.
43	David Burke	San Luis Obispo, California	December 7, 1987[19]
38	Moses Sithole	South Africa	1994 to 1995[20]
36	Donald Harvey	Kentucky and Ohio, United States	1970 to 1987[21]	Claims responsibility for another 51 murders.
35	Martin Bryant	(Port Arthur massacre), Tasmania, Australia	April 28, 1996 [22]
35	Ted Bundy	Washington, Utah, Florida and other states, United States	1974 to 1978[23]
35	Vera Renczi	Bucharest, Romania	1920s to 1930s[24]
34	Ahmed Bragimov	Mekenskaya, Chechnya, Russia	October 8, 1999[25]
33	John Wayne Gacy	Chicago, United States	1972 to 1978[26]
32	Seung-Hui Cho	Blacksburg, Virginia, United States	April 16, 2007[27]	Known as the Virginia Tech Massacre.
30	Mutsuo Toi	Tsuyama, Okayama, Japan	May 21, 1938[28]	Known as the Tsuyama massacre.
29+	Charles Cullen	New Jersey and Pennsylvania, United States	1988 to 2003[29]	Cullen has admitted to more murders, which authorities believe are likely, but the murders cannot be verified.
27	Dean Corll	Houston, Texas, United States	1970 to 1973[30]
27	Fritz Haarmann	Hanover, Germany	1919 to 1924[31]
27	H. H. Holmes	Chicago, United States	1893 to 1895[32]	Total disputed.[33]
27	Cedric Maake	Johannesburg, South Africa	1996 to 1997[34]
27	Maria Swanenburg	Leiden, Netherlands	1880 to 1883[35]
26+	Robert Pickton	Port Coquitlam, British Columbia, Canada	1995 to 2001
26	Marcel Petiot	Paris, France	1926 to 1944[36]	Petiot is suspected of having killed up to 63 in total.
25	Leonard Lake and Charles Ng	Wilseyville, California, United States	~1982 to 1985[37]
24	Béla Kiss	Cinkota, Hungary	1912 to 1916[38]
23	George Jo Hennard	Killeen, Texas, United States	October 16, 1991[39]
22	Arnfinn Nesset	Orkdal, Norway	? to 1983[40]
21	William Bonin	California, United States	1979 to 1980[41]
21	James Oliver Huberty	San Ysidro, California, United States	July 18, 1984[42]	Known as the San Ysidro McDonald's massacre
21	Patrick Kearney	California, United States	1965 to 1977[43]
20	Francis Heaulme	France	1984 to 1992[44]
20	Yoo Young-Chul	Seoul, South Korea	2003 to 2004[45]
19	Sipho Thwala	KwaZulu-Natal, South Africa	1996 to 1997[46]	Known as the Phoenix Strangler.
19	Sergei Ryakhovsky	Moscow, Russia	1988 to 1993[47]	Known as the Balakshikha Ripper
17	Joel Rifkin	New York City, United States	1989 to 1993[48]
17	William Burke and William Hare	Edinburgh, Scotland	1827 to 1828[49]	Known as the West Port murders
17	Maxim Petrov	St. Petersburg, Russia	2000 to 2002[50]	Known as Doctor Death.
17	Jeffrey Dahmer	Ohio and Wisconsin, United States	1978 to 1991[51]
17	Thomas Hamilton	Dunblane, Scotland	March 13, 1996[52]	Known as the Dunblane massacre.
17	Robert Steinhäuser	Erfurt, Germany	April 26, 2002[53][54]	Known as Erfurt massacre.
16	Charles Ray Hatcher	Missouri, California and Illinois, United States	1969 to 1982[55]
16	Michael Robert Ryan	Hungerford, England	August 19, 1987[56]	Known as the Hungerford Massacre.
16	Randy Steven Kraft	California, United States	1969 to 1983[57]	Confessed to 51 further murders.
16	The Monster of Florence	Florence, Italy	1968 to 1985[58]	Pietro Pacciani was convicted of the murders in 1994, but the decision was controversially overturned.
16	Ronald Gene Simmons	Russellville, Arkansas, United States	December 22 to December 26, 1987[59]
16	Sipho Thwala	KwaZulu-Natal province, South Africa	1996 to 1997[60]
15	Dennis Nilsen	London, United Kingdom	1978 to 1983[61]
15	Charles Whitman	Austin, Texas, United States	July 31 to August 1, 1966[62]
15	Jack Unterweger	Vienna, Austria; Los Angeles, California, United States; Prague, Czech Republic	1974 to 1992
15	Robert Hansen	Alaska, United States	1980 to 1983
14	Patrick Sherrill	Edmond, Oklahoma, United States	August 20, 1986[63]	Postal shooting.
14	Marc Lépine	Montreal, Quebec, Canada	December 6, 1989[64]	Known as the École Polytechnique massacre.
14	Friedrich Leibacher	Zug, Switzerland	September 27, 2001)
13	Howard Unruh	Camden, New Jersey, United States	September 6, 1949[65]
13	Boston Strangler	Boston, United States	1962 to 1964[66]	Although Albert DeSalvo was widely thought to be the Boston Strangler, police and others analysing the case have long doubted the truth of his confession.[66]
13	Vasiliy Kulik	Irkutsk, USSR	1984 to 1986[67]	Known as the Irkutsk Monster.
13	Peter Sutcliffe	West Yorkshire, United Kingdom	1975 to 1980[68]	Known as the Yorkshire Ripper.
13	Robert Lee Yates	Spokane, Washington, United States	1975 to 1998
13	Richard Ramirez	Southern California, United States	1984 to 1985[69]
13	George Banks	Wilkes-Barre, Pennsylvania, United States	1982
13	Eric Borel	Toulon, France	1994
13	Eric Harris and Dylan Klebold	Columbine, Colorado, United States	April 20, 1999[70]	Known as the Columbine High School massacre
12	Sadamichi Hirasawa	Tokyo, Japan	January 26, 1948[71]	It is suspected that he was falsely charged[72]
12	Fred West	Gloucester, England	1973 to 1987[73]
12	Kenneth Bianchi and Angelo Buono	Los Angeles, California, United States	1977 to 1978[74]
11	Henri Désiré Landru	Paris, France	1914 to 1918[75]
11	Clifford Olson	Lower Mainland, British Columbia, Canada	1980 to 1981[76]
11	Sergey Golovkin	Moscow, Russia	1986 to 1992[77]
11	Charles Starkweather	Nebraska, Missouri, and Wyoming	1957 to 1958[78]
10	Tore Hedin	Annelöv, Landskrona, Sweden	1951 to 1952[79]
10	Walter Seifert	Cologne, Germany	June 11, 1964[80]
10	Edmund Kemper	Santa Cruz, California, United States	1964 to 1973[81]
10	Dennis Rader	Sedgwick County, Kansas, United States	1974 to 1991[82]
10	Kumatarō Kido and Yagorō Tani	Osaka Prefecture, Japan	1893[83][84]

Note: this list is incomplete.

References