Pen Sovan

Pen Sovann (; 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 1981 to 5 December 1981. He also served as General Secretary of the Kampuchean People's Revolutionary Party (CPRP) 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. He was imprisoned in Vietnam until January 1992.

Sovann founded the Cambodian National Sustaining Party, which contested in the 1998 election but did not win a seat in parliament. He later joined the Human Rights Party founded in 2007 and served as its vice president. In 2012, he became a member of the newly founded Cambodia National Rescue Party (CNRP) and stood as an MP candidate for Kampong Speu. He was elected and was sworn in on 5 August 2014, serving until his death in October 2016.