- Jang Beom-june (born 1989), South Korean singer-songwriter
- Jang Bogo (787–846), military leader of late Silla
- Jang Cheol-soo (born 1974), South Korean film director
- Jang Dae-hyeon (born 1997), South Korean singer, former member of boy group Rainz and member of boy group WEi
- Jang Dae-Il (born 1975), former South Korean soccer player
- Jang Do-yeon (born 1985), South Korean comedian
- Jang Dong-gun (born 1972), South Korean actor and musician
- Jang Dong-min (born 1979), South Korean comedian
- Jang Dong-yoon (born 1992), South Korean actor
- Jang Gyu-ri (born 1997), South Korean singer and former member of Fromis 9
- Jang Hee-ryung (born 1993), South Korean actress and model
- Jang Hui-bin (1659–1701), a Joseon-era concubine, mother of Gyeongjong of Joseon
- Jang Hye-jin (born 1975), South Korean actress
- Jang Hyuk (born 1976), South Korean actor and rapper
- Jang Hyuk-jin (born 1971), South Korean actor
- Jang Hyun-seung (born 1989), South Korean singer and member of boy band Highlight
- Jang Hyun-sung (born 1970), South Korean actor
- Jang Hyung-seok (born 1972), South Korean football player
- Jang In-hwan (1875–1930) Korean independence activist
- Jang Ja-yeon (1982–2009), South Korean actress
- Jang Jae-ho, South Korean gamer
- Jang Jeong (born 1980), South Korean golfer
- Jang Jin-young (1972–2009), South Korean actress
- Jang Joon-hwan (born 1970), South Korean film director
- Chae Jung-an (born Jang Jung-an, 1977) South Korean actress
- Jang Keun-suk (born 1987), South Korean actor, singer, model, film director and DJ
- Jang Ki-yong (born 1992), South Korean model and actor
- Jang Mi-inae (born 1984), South Korean former actress
- Jang Mi-kwan (born 1989), South Korean model and actor
- Jang Minho (born 1977), South Korean singer
- Jang Min-hyeok (born 1978), South Korean voice actor
- Jang Na-ra (born 1981), South Korean actress and singer
- Jang Nok-su (c. 1485–1506), one of Yeonsangun of Joseon's concubines
- Jang Seo-hee (born 1972), South Korean actress
- Jang Seung-eop (1843–1897), a Joseon-era painter
- Jang Seung-jo (born 1981), South Korean actor
- Jang Shin-young (born 1984), South Korean actress
- Jang So-yeon (born 1980), South Korean actress
- Jang Su-jeong (born 1995), South Korean tennis player
- Jang Su-won (born 1980), South Korean actor and singer, member of boy band Sechs Kies
- Jang Sun-woo (born 1952), a South Korean film director
- Jang Song-thaek (1946–2013), North Korean politician and four-star general
- Jang Tae-wan (born 1931), South Korean army general
- Jang Won-young (born 2004), South Korean singer and member of girl group Ive
- Jang Woo Hyuk (born 1978), South Korean singer and rapper, member of boy band H.O.T.
- Jang Wooyoung (born 1989), South Korean singer and member of boy band 2PM
- Jang Ye-eun (born 1998), South Korean singer and member of girl group CLC
- Jang Yeong-sil (1390–c. 1450), prominent Joseon-era scientist and astronomer
- Jang Yong-Ho (born 1976), South Korean archer
- Jang Yoon-jeong (born 1980), South Korean trot singer
- Jang Yoon-ju (born 1980), South Korean model, television personality, singer, actress
- Jang Young-nam (born 1973), South Korean actress
- Ben Chang, character in the TV series Community
- Chang Chun-ha (1918–1975) Korean independence activist, journalist and politician
- David Chang (born 1977), American restaurateur
- Do Won Chang (born 1954), Korean-born American businessman, founder of Forever 21
- Ha-Joon Chang (born 1963), South Korean economist specialising in development economics
- Hasok Chang (born 1967), Korean-born American historian and philosopher of science
- Juju Chang (born 1965), American journalist
- Chang Jung-koo (born 1963), South Korean world boxing champion
- Katie Chang (born 1995), American actress
- Chang Kiha (born 1982), leader of South Korean band Kiha & the Faces
- Chang Myon (1899–1966), second prime minister of South Korea
- Chang Koehan, character in the video game series King of Fighters
- Leonard Chang, Korean-American writer
- Sarah Chang (born 1980), Korean-American violinist
- Chang So-Yun (born 1974), South Korean volleyball player
- Chang Ung (born 1938), president of the International Taekwon-Do Federation
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