General Trần Thiện Khiêm (; 15 December 1925 – 24 June 2021) was a Vietnamese soldier and politician, who served as an officer in the Army of the Republic of Vietnam during the Vietnam War. He was born in Saigon, Cochinchina, French Indochina (now Vietnam). During the 1960s, he was involved in several coups. He helped President Ngô Đình Diệm put down a November 1960 coup attempt and was rewarded with a promotion. In 1963, however, he was involved in the coup that deposed and assassinated Diêm.