Sung-won, also spelled Seong-won, is a Korean given name.

People with this name include: Yu Sŏngwŏn (died 1456), Joseon Dynasty scholar-official Hong Sung-won (born 1937), South Korean writer Sung Won Sohn (born 1944), South Korean-born American economist Oh Sung-won (born 1972), South Korean musical theatre actor Choi Sung-won (billiards player) (born 1977), South Korean billiards player Hwang Geum-hee (born 1977), South Korean actress formerly known by the stage name Ji Sung-won Choi Sung-won (actor) (born 1985), South Korean actor SungWon Cho (born 1990), Korean-American actor, voice actor, sketch comedian, and YouTuber Sung-Won Yang, 21st-century South Korean cellist

See also List of Korean given names

References