William Chang Suk Ping (張叔平) is a Hong Kong film editor, production designer and art director, and along with cinematographer Christopher Doyle is an important collaborator with Hong Kong film director Wong Kar-wai. He has participated in all of Wong Kar Wai's films.
In addition to Wong Kar Wai, William Chang also has collaborated with various Hong Kong film directors such as Stanley Kwan, Patrick Tam Kar Ming, Yim Ho and Tsui Hark.
William Chang is remarkable for his nostalgic mood in art directing and frequent use of improvisation and split narratives in film editing.