Pen Sovan (Khmer: ប៉ែន សុវណ្ណ; 15 April 1936 – 29 October 2016) was a Cambodian politician and revolutionary who served as the Prime Minister of the Hanoi-backed People's Republic of Cambodia from 27 June 1979 to 5 December 1981.
Pen Sovan was born in Chan Teab Village, Samraong Commune, Tram Kak District, Takéo province.
He served as Secretary-General of the Kampuchean People's Revolutionary Party from 5 January 1979[3] to 1 December 1981, when he was replaced by Heng Samrin following his removal from office by the Vietnamese.
Sovan was arrested on 2 December 1981 for irritating Lê Đức Thọ, chief Vietnamese advisor to the Kampuchean United Front for National Salvation (FUNSK) and the People's Republic of Kampuchea (PRK).
Sovan explained his long ordeal in prison: "When I wanted to create our own army of five regiments, the Vietnamese didn't agree and Lê Đức Thọ went to the USSR to complain.