Pen Sovan (Khmer: ប៉ែន សុវណ្ណ; born April 15, 1936) is a Cambodian politician who served as the Prime Minister of the Hanoi-backed People's Republic of Kampuchea from June 27 to December 5, 1981, and was General Secretary of the Kampuchean People's Revolutionary Party (KPRP, French acronym 'PRPK') from 1979 to 1981. He was arrested and removed from office in December 1981 by the Vietnamese for irritating Lê Đức Thọ, the chief adviser to the PRK government.