The Warlords (投名狀), previously known as The Blood Brothers, is a 2007 Hong Kong epic historical action film directed by Peter Chan, starring Jet Li, Andy Lau, Takeshi Kaneshiro and Xu Jinglei. The film was released on 13 December 2007 simultaneously in most of Asia, except Japan. The film, set in China in the 1860s during the Taiping Rebellion, revolves around the sworn brotherhood of three men.

Peter Ho-sun Chan, also known as Peter Chan, is a Hong Kong filmmaker.