William Clyde Gibson III (born October 10, 1957) is an American serial killer and rapist who is currently on Indiana's death row for the sexually motivated murders of two women in 2002 and 2012, in addition to serving a 65-year sentence for a third murder committed in 2012. A habitual criminal noted for his increasingly violent streaks and his handlebar moustache, Gibson has claimed responsibility for upwards of 30 additional murders across multiple states, none of which have been confirmed.

William Calcraft (11 October 1800 – 13 December 1879) was an English hangman, one of the most prolific of British executioners. It is estimated in his 45-year career he carried out 450 executions.

Lynwood Crumpler Drake III (October 10, 1949 – November 8, 1992) was an American spree killer who killed six people and wounded one other at two homes in Morro Bay and a card-playing club in Paso Robles, California, United States on November 7, 1992. He then drove to another house in San Miguel, where he took the owner hostage, before killing himself the next morning.

Martha Marek (née Löwenstein; 10 October 1897 – 6 December 1938) was an Austrian serial killer who caused media attention during the interwar period.

Mieczysław Zub (10 October 1953 – 29 September 1985) was a Polish serial killer who killed 4 women in Silesian Voivodeship. The Milicja Obywatelska gave him the pseudonym Fantomas.

Kang Ho-sun (Korean: 강호순; Hanja: 姜浩順; born October 10, 1969) is a South Korean serial killer who was sentenced to death in 2009 for killing 10 women between October 2005 and December 2008, including his wife and her mother.