David Wu Tai Wai (; born 31 July 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 (1987), Hard Boiled (1992), Bride of Chucky (1998), and Brotherhood of the Wolf (2001).
He has been nominated 12 times for the Hong Kong Film Award for Best Editing, winning twice for Hard Boiled and The Crossing (2014). He has also been nominated for several Directors Guild of Canada and Leo Awards.
Wu was born on 31 July 1952. While studying graphic design at Hong Kong Polytechnic, he got a job in 1970 as a film editing apprentice at Shaw Brothers. The first editing credit he officially received was for The Spiritual Boxer (1975). He then moved to editing for TVB, where he also acted in several television dramas from 1976 to 1979.