Sung-hoon, also spelled Seong-hoon, is a Korean masculine given name. It was the fifth-most popular name for baby boys in South Korea in 1970, falling to sixth place in 1980. Its meaning differs based on the hanja used to write each syllable of the name. There are 27 hanja with the reading "sung" and 12 hanja with the reading "hoon" on the South Korean government's official list of hanja which may be registered for use in given names. One common pair of hanja used to write this name (成勲) can also be read as a Japanese name Yoshihiro. People with this name include:
Entertainers and musiciansKim Seong-hun (filmmaker) (born 1971), South Korean directorKim Sung-hoon (born 1978), South Korean pianistKim Sung-hoon, stage name Ha Jung-woo (born 1979), South Korean actorKang Sung-hoon (singer) (born 1980), South Korean singer, lead vocalist of Sechs KiesSung Hoon, birth name Bang Sung-hoon (born 1983), South Korean actorFootballersJung Sung-hoon (born 1968), South Korean youth manager and former defenderJeong Shung-hoon (born 1979), South Korean striker (Korea National League)An Sung-hun (born 1982), South Korean midfielder (K League)Other sportspeopleChoo Sung-hoon (born 1975), later known as Yoshihiro Akiyama, Japanese mixed martial artist of Korean descentJeong Seong-hoon (born 1980), South Korean baseball playerYoon Sung-hoon (born 1983), South Korean field hockey playerKang Sung-hoon (golfer) (born 1987), South Korean golferChoi Sung-hoon (born 1989), South Korean baseball playerPark Sung-hoon (figure skater) (born 2002), South Korean figure skaterLee Sung-hun, South Korean judoka