Jae-sung, also spelled Jae-seong, is a Korean given name.
People with this name include:
Entertainers Choi Jae-sung (born 1964), South Korean actor
Footballers Kim Jae-sung (born 1983), South Korean football player Ko Jae-sung (born 1985), South Korean football player Lee Jae-sung (footballer, born 1988), South Korean football player Lee Jae-sung (footballer, born 1992), South Korean football player
Other sportspeople Yu Jae-seong (born 1960), South Korean long-distance runner Jang Jae-sung (born 1975), South Korean freestyle wrestler An Jae-sung (born 1985), South Korean tennis player Lee Jae-sung (boxer) (born 1983), South Korean professional boxer Jung Jae-sung (1982–2018), South Korean badminton player Oh Jae-seong (born 1992), South Korean volleyball player
See also List of Korean given names
References