Elliot Oliver Robertson Rodger (July 24, 1991 – May 23, 2014) was a British-born American mass murderer who perpetrated the 2014 Isla Vista killings, where he murdered six people and injured fourteen others, before he fatally shot himself. The murders he committed, his suicide, and his manifesto have been cited as an early influence on the incel and manosphere subculture.

Juan Vicente Gómez Chacón (24 July 1857 – 17 December 1935) was a Venezuelan military general, politician and de facto ruler of Venezuela from 1908 until his death in 1935. He only officially served as president on three occasions during this time, ruling as an unelected military strongman behind puppet governments in between.

Lorenz Schwietz (25 July 1850 – May 1925, in Breslau) was Royal Prussian executioner (German: Scharfrichter) from 21 June 1900 to 29 January 1914. Responsible for carrying out capital punishment in the Prussian provinces, he executed a total of 120 to 123 people, primarily by beheading with an axe, but also with guillotines.

Edward Arthur Wilson (25 July 1878 – 7 November 1934), better known as Brother XII, was an English mystic who, in the late 1920s, founded a spiritual community located just south of the city of Nanaimo on Vancouver Island, off the west coast of British Columbia, Canada.

Antonio Anglés Martins (born 25 July 1966) is a Brazilian-Spanish criminal and fugitive with criminal records for mugging, robbery and drug trafficking. He lived in his native Brazil for a year before moving to Spain.

Michael Bruce Ross (July 26, 1959 – May 13, 2005) was an American serial killer who committed at least eight murders and was nicknamed "The Roadside Strangler". He was executed by the state of Connecticut in 2005.

Lee Young-hak (Korean: 이영학, born 26 July 1982) is a criminal from South Korea.

John Floyd Thomas Jr. (born July 26, 1936) is an American serial killer, serving a life sentence without the possibility of parole for the murders of seven women in the Los Angeles area during the 1970s and 1980s.

Glen Taylor Helzer (born July 26, 1970) is a self-declared prophet, former cult leader and spree killer who founded and led the Children of Thunder. Helzer and his followers murdered five people as part of an extortion plot intended to culminate with Helzer taking over the Church of Jesus Christ of Latter-day Saints (LDS Church) and hastening the return of Christ; among their victims was Selina Bishop, daughter of blues guitarist Elvin Bishop.

Nicholas Brown Sr. (July 26, 1729 – May 29, 1791) was an American merchant, civic leader and slave trader who was a co-signer of the founding charter of the College of Rhode Island in 1763.

Shunroku Hata (畑俊六, Hata Shunroku; July 26, 1879 – May 10, 1962) was a field marshal (gensui) in the Imperial Japanese Army during World War II. He was the last surviving Japanese military officer with a marshal's rank.

Abner "Longie" Zwillman (July 27, 1904 – February 26, 1959) was a Jewish-American mobster who was based primarily in North Jersey. He was a longtime friend and associate of mobsters Lucky Luciano and Meyer Lansky.

Ibrahim Awwad Ibrahim Ali al-Badri (28 July 1971 – 27 October 2019), commonly known by his nom de guerre Abu Bakr al-Baghdadi, was an Iraqi militant leader and former teacher who was the founder and first leader of the Islamic State (IS), who proclaimed himself caliph in 2014 and stayed in power until his suicide in an American operation in 2019.

Béla Kiss (; Hungarian: [ˈbeːlɒ ˈkiʃ]; c. 1877 – after 4 October 1916) was a Hungarian serial killer.

Nathaniel White (born July 28, 1960) is an American serial killer. Active in the Hudson Valley region, in and near Orange County, New York, during the early 1990s, White confessed to beating and stabbing six women to death while on parole.

Denis Alekseevich Gorbunov (Russian: Денис Алексеевич Горбунов; 28 July 1977 – 26 March 2006), known as The Ad Killer (Russian: Убийца по объявлению), was a Russian serial killer who murdered five women during robberies in Chelyabinsk from December 2004 to May 2005. Convicted and sentenced to life imprisonment for his crimes, he killed himself two days after his conviction.

Robert Earnest Rozier Jr. (born July 28, 1955) is an American murderer and former professional defensive end in gridiron football.

Stede Bonnet (c. 1688 – 10 December 1718) was an English pirate who was known as the Gentleman Pirate because he was a moderately wealthy landowner before turning to a life of crime.

Dmitry Petrovich Voronenko (Russian: Дми́трий Петро́вич Вороне́нко, Ukrainian: Дмитро Петрович Вороненко; born 29 July 1971), known as The Petersburg Maniac (Russian: Петербургский маньяк), is a Kyrgyzstani-Ukrainian serial killer, who killed four girls and young women in St. Petersburg between 2006 and 2007.

Angelo Salvatore Ruggiero Sr. (Italian: [ˈandʒelo rudˈdʒɛːro]; July 29, 1940 – December 4, 1989), also known as "Quack Quack", was an American mobster who rose to the position of caporegime in the Gambino crime family.

Richard Marc Edward Evonitz (July 29, 1963 – June 27, 2002) was an American serial killer, kidnapper, and rapist responsible for the deaths of at least three teenage girls in Spotsylvania County, Virginia, and the abduction of Kara Robinson in Lexington County, South Carolina. Evonitz has been suspected of other murders, and confessed other crimes to his sister, shortly before committing suicide.

Benito Amilcare Andrea Mussolini (29 July 1883 – 28 April 1945) was an Italian politician, journalist, and dictator who led Italy as Il Duce from 1922 until his overthrow in 1943. He founded the fascist movement in 1919, with the creation of the Fasci Italiani di Combattimento, which became the National Fascist Party (PNF) in 1921.

Giles Shelley (born May 1645 (?), died 1710, last name occasionally Shelly) was a pirate trader active between New York and Madagascar.

Frederick Bailey Deeming (30 July 1853 – 23 May 1892) was an English serial killer who was convicted and executed for the murder of his entire family in Rainhill, Merseyside, England, and his second wife in Melbourne, Australia. He is remembered today because he was suspected by some of being the notorious serial killer Jack the Ripper.

Alfredo Stranieri (30 July 1956 – 10 March 2025), known as the "Classified Ads Killer", was an Italian-born French criminal and serial killer, who met his victims through classified ads in which he presented himself as a potential buyer of properties or used cars.

Caril Ann Fugate (born July 30, 1943) is an American spree killer. Fugate was an accomplice of Charles Starkweather, being 14 years old (legally a minor) when his murders took place in 1958.

Peter Tredget (born Peter George Dinsdale; 31 July 1960), formerly Bruce George Peter Lee, is a British serial killer and arsonist. He confessed to a total of 11 acts of arson, pleading guilty to 26 counts of manslaughter.

Heriberto "Eddie" Seda (born July 31, 1967), often referred to as The New York Zodiac or The Brooklyn Sniper, is an American serial killer who was active in New York City from 1990 through 1993. He fatally shot three people and wounded six others (four critically) before being caught on June 18, 1996.

Nicholas Troy Sheley (born July 31, 1979) is an American spree killer. He is serving life in prison for six murders in Illinois and two other murders in Missouri.

Hadden Irving Clark (born July 31, 1952) is an American murderer and suspected serial killer currently serving two 30-year sentences for the murders of 6-year-old Michele Lee Dorr in 1986, and 23-year-old Laura Houghteling in 1992. He was also given a 10-year sentence for robbery after stealing from a former landlord.

Friedrich Paul "Fritz" Honka (31 July 1935 – 19 October 1998), also known as Peter Jensen, was a German serial killer. Between 1970 and 1975 he killed at least four women from Hamburg's red light district, keeping three of the bodies in his flat.

Juhani Aataminpoika (Finnish pronunciation: [ˈjuhɑni ˈɑːtɑminˌpoi̯kɑ]; born 31 July 1826 – September 1854) alias Kerpeikkari (Finnish: [ˈkerpei̯kːɑri]), was a Finnish serial killer. He killed 12 people in southern Finland between October and November of 1849.