Train to Busan (Korean: 부산행; Hanja: 釜山行; RR: Busanhaeng; lit. To Busan) is a 2016 South Korean action horror film directed by Yeon Sang-ho and starring Gong Yoo, Jung Yu-mi, Ma Dong-seok, Kim Su-an, Choi Woo-shik, Ahn So-hee and Kim Eui-sung. The film mostly takes place on a KTX from Seoul to Busan as a zombie apocalypse suddenly breaks out in the country and threatens the safety of the passengers.

The film premiered in the Midnight Screenings section of the 2016 Cannes Film Festival on 13 May. On 7 August, the film set a record as the first Korean film of 2016 to break the audience record of over 10 million theatergoers.The movie successfully launched a titular film series, with an animated prequel film in 2016 and a standalone sequel in 2020. Another installment and an American-produced adaptation are also in development.