Legendary Assassin (Chinese: 狼牙) is a 2008 Hong Kong action film directed by Wu Jing in his directorial debut, who also starred in the lead role, and also features fight choreography by Nicky Li.

The film also marks the screen debut of singer, songwriter and model Celina Jade (daughter of Snake in the Eagle's Shadow and Game of Death II film star Roy Horan).

Wu stars as a mysterious martial artist, who become a female cop's prime suspect in a murder investigation.

Legendary Assassin marks the directorial debuts of Wu Jing and Nicky Li.

Wu Jing had long wished to become a director since he first stepped into the entertainment industry in 1995.