胡大为（英文名：David Wu）生於香港，前香港电视节目主持人及电台节目主持。因与廖伟雄主持《笑星救地球》，所以有「搞笑师祖」之称。他是个多元化的电影奇才，除了剪接，他还参与过监制、摄影及配音等工作。

　 至1990年代中期，胡大为移民至加拿大多伦多。

David Wu Tai Wai (Chinese 胡大為; born Hong Kong, 1952) is a Hong Kong-Canadian editor, director, and actor of film and television, known for his collaborations with directors John Woo and Ronnie Yu. He is also the editor of several international cult classics such as A Chinese Ghost Story , Hard Boiled, Bride of Chucky and Brotherhood of the Wolf.

He has been nominated 12 times for the Hong Kong Film Award for Best Editing, winning twice for Hard Boiled (1992) and The Crossing (2014). He has also been nominated for several Directors Guild of Canada and Leo Awards.