Beate Schmidt (born Wolfgang Schmidt; 5 October 1966) is a German serial killer and rapist, who killed six people and injured four between 1989 and 1991 in various villages in Brandenburg.

Karl Hass (5 October 1912 – 21 April 2004) was an SS Sturmbannführer and German spy who helped deport more than 1,000 Italian Jews to Auschwitz. A perpetrator in the Ardeatine massacre, in which 335 civilians were murdered, he was tried and convicted in Italy in 1998.

Jean-Baptiste Troppmann (October 5, 1849 – January 19, 1870) was a French spree killer who between August 24 and September 19, 1869, murdered eight members of the Kinck family, including six children aged between 2 and 16 years old, in order to gain access to their money. He was caught at the port of Le Havre at the end of September 1869 while attempting to flee the country.

Angelo Anthony Buono Jr. (October 5, 1934 – September 21, 2002) was an American serial killer, kidnapper and rapist who, together with his adopted cousin Kenneth Bianchi, raped and murdered ten young women and girls between October 1977 and February 1978 in Los Angeles, California in what became known as the Hillside Strangler murders, as the victims were usually strangled to death and dumped on a hillside.

Gilberto Antonio Chamba Jaramillo (born 1963) is an Ecuadorian serial killer, convicted of murdering nine people in Ecuador and Spain.

Fritz Ernst Fischer (5 October 1912 – 2003) was a Nazi German medical doctor who performed medical atrocities on inmates of the Ravensbrück concentration camp. He was tried and convicted of war crimes and crimes against humanity in the 1947 Doctors' Trial; he was sentenced to life imprisonment, but his sentence was commuted to 15 years and he was released in 1954.