Chan Sy

Chan Sy, also spelt Chan Si, (; 1932 – 26 December 1984) was a Cambodian politician who served as the Prime Minister of the People's Republic of Kampuchea from 1982 until his death in 1984. who early in his life became a military figure by joining the Khmer Viet Minh forces in 1950s.

Chan Sy left Cambodia in 1954 after the Geneva Conference that recognized Prince Norodom Sihanouk's government as the sole legitimate authority in independent Cambodia. A member of the Communist Party from 1960, Chan Sy was believed to have returned to Cambodia in 1970 after the coup that ousted Prince Sihanouk and placed the pro-U.S. Lon Nol in power. Chan Sy, who was opposed to ultra-nationalist Pol Pot, by whose partisans he was detained in 1973. He reappeared on the scene in 1978, with the forces of the Kampuchean United Front for National Salvation (KUFNS) and with the Vietnamese that toppled the Khmer Rouge regime in 1979. and eventually appointed by the National Assembly as Prime Minister on February 9, 1982.

Chan Sy died in a Moscow hospital, where he was being treated for a cardiac ailment, in December 1984. His death was reported by the Vietnamese information agency on December 31, 1984, although he was believed to have died some days earlier.