John Liu (disambiguation)

John Liu may refer to:


 * John Liu (born 1967), member of the New York State Senate’s 11th district
 * John Liu Shi-gong (1928–2017), Chinese Roman Catholic bishop
 * John Baptist Liu Jingshan (1913–2013), Chinese Roman Catholic bishop
 * John Liu (actor), Taiwanese martial artist/actor, who appeared in various Chinese and Korean films in the 1970s through 1990s
 * John C. Liu, founder of Firstrade Securities
 * John D. Liu, film maker and ecologist