Peter Wu may refer to:
Peter Wu Guosheng (1768–1814), Chinese Catholic martyr saint Peter Wu Junwei (1963–2022), Chinese Catholic bishop
See also Peter Wing (吳榮添; 1914–2007), Canadian politician Peter Woo (吳光正; born 1946), Hong Kong billionaire businessman Peter B. K. Ng (伍碧權; born 1947), Hong Kong horse trainer Peter Ng (disambiguation)