A Better Tomorrow (Korean: 무적자; RR: Mujeokja; lit. "Invincible") is a 2010 South Korean action drama film starring Joo Jin-mo, Song Seung-heon, Kim Kang-woo and Jo Han-sun. It is an official remake of the 1986 Hong Kong film A Better Tomorrow. It was directed by Song Hae-sung and produced by Fingerprint Pictures. John Woo, who directed the original 1986 version, acted as executive producer.

The film premiered as part of Special Events at the 67th Venice International Film Festival on September 2, 2010, where it was introduced by John Woo, as having "its own character and own soul, and many new elements." It was released in theaters on September 16, 2010.