Jang Dong-gun (born March 7, 1972) is a South Korean actor and musician. Spending his childhood in Yongsan-gu, Seoul, he later went on to the Hangook School of Arts, dropping out before obtaining a degree. He made his debut in the MBC drama Our Heaven.

1994's drama "The Final Jump" was his breakout role. His popularity then grew rapidly, and he starred in other dramas including "Medical Brothers", "Model", and "All About Eve". Jang also pursue a singing career, releasing four albums.

In 1997, Jang made his film debut in Repechage, winning the Blue Dragon Best New Actor award. In 1999 he won the Best Supporting Actor Award in the Blue Dragon Awards again for his role as the dedicated cop in Nowhere to Hide. In 2000, he starred in the film Friend, which at the time was the highest grossing Korean film of all time. Jang gained widespread critical acclaim for his portrayal of a troubled high school student who joins the mafia, paving the way for him to star in the 2004 Taegukgi: The Brotherhood of War, about the Korean War, which again shattered box office records. His portrayal of one of two brothers drafted into the war earned him a third Blue dragon award.