So Savoeun (Khmer: សូ សាវឿន; born 1 June 1945) is a Khmer singer from Cambodia.
So Savoeun specializes in the Sarawan style. She was a popular singer in Cambodia during the 1960s and early 1970s. She often performed duets with Meas Samon.
Before the Khmer Rouge took over Phnom Penh, So Savoeun fled to Thailand. She and her husband later moved to France. She lives outside of Paris, where she has given concerts. So Savoeun is among the last representatives of the old generation of Cambodian musicians. She appeared in the short French documentary Les Artistes Khmers about Khmer artists in France.