Changjin or Chang Jin or variant, may refer to:

Places Changjin County (장진군, 長津郡), a county in South Hamgyong province, North Korea. Lake Changjin (장진호, 長津湖), also known as the Chosin Reservoir, site of the Korean War battle Changjin Line, an electrified rail line running alongside the lake Changjin Air Force Base, in the eponymous county Changjin River (장진강; 長津江), a tributary of the Yalu River in North Korea

People Given name "Chang-jin" Jang Geum (Chinese: Chang-jin, 長今; Chángjīn), female physician of the Joseon Dynasty Moon Chang-jin (문창진; born 1993), South Korea soccer player Chang-Jin Lee, Korean-American artist

Given name "Jin" surnamed "Chang" Jang Jin (장진, 張鎭; born 1971; Chang Jin), a South Korean film director Chang Jin (Chinese: 常进; born 1966). Chinese astronomer

Other uses Battle of Chosin Reservoir (a.k.a. Battle of Changjin), a 1950 battle during the Korean War

See also

Da Chang Jin (Great Chang Jin; 대장금; 大長今; ), a South Korean TV historical drama about the historical female physician Chang Jin

Jinchang (disambiguation) Chang (disambiguation) Jin (disambiguation)