Sar Kheng is a Cambodian politician. He is the vice president of the ruling Cambodian People's Party and served as Minister of the Interior and deputy prime minister from 1992 to 2023. He also represents the province of Battambang in the Cambodian Parliament. Kheng has been the Minister of the Interior since 1992. Until March 2006, he shared the position with FUNCINPEC party member You Hockry as co-Ministers of the Interior, but then became sole interior minister in a cabinet reshuffle as FUNCINPEC ended its coalition with the CPP.

The Cambodian People's Party (CPP) is a Cambodian political party which has ruled the country since 1979. Founded in 1951, it was originally known as the Kampuchean People's Revolutionary Party (KPRP).