Satarō Fukiage (吹上 佐太郎, Fukiage Satarō; February 1, 1889 – September 28, 1926) was a Japanese rapist and serial killer. He killed at least seven girls.

Léopold Dion (February 25, 1920 – 17 November 1972) was a Canadian sex offender and serial killer who raped 21 boys, killing four; he was active in Quebec in 1963. He was nicknamed the "Monster of Pont-Rouge" (le monstre de Pont-Rouge).

Robert Clive Napper (born 25 February 1966) is an English serial killer and rapist. He has been convicted of two murders, one manslaughter, two rapes and two attempted rapes.

Sretko Kalinić (Serbian Cyrillic: Сретко Калинић; born 25 February 1974), also known as "Zver" (Serbian Cyrillic: Звер, lit. 'The Beast') or "Beli" (Serbian Cyrillic: Бели, lit.

Eric Edgar Cooke (25 February 1931 – 26 October 1964), nicknamed the Night Caller and later the Nedlands Monster, was an Australian serial killer who terrorised the city of Perth, Western Australia, from September 1958 to August 1963. Cooke committed at least 20 violent crimes, eight of which resulted in deaths.

Francis Heaulme (born 25 February 1959 in Metz) is a French serial killer dubbed the "Criminal Backpacker" ("Routard du crime").

Junko Ogata (緒方 純子, Ogata Junko; born February 25, 1962) is a Japanese serial killer who acted as an accomplice to serial killer Futoshi Matsunaga.

Joseph Edward Duncan III (February 25, 1963 – March 28, 2021) was an American convicted serial killer and child molester who was on death row in federal prison following the 2005 kidnappings and murders of members of the Groene family of Coeur d'Alene, Idaho. He was also serving 11 consecutive sentences of life without parole for the 1997 murder of Anthony Martinez of Beaumont, California.

Ramzi Ahmed Yousef (Urdu: رمزى احمد يوسف; born 27 April 1968) is a Pakistani convicted terrorist who was one of the main perpetrators and the mastermind behind the 1993 World Trade Center bombing and the 1994 bombing of Philippine Airlines Flight 434; he was also a co-conspirator in the Bojinka plot.