John Waterhouse may refer to:
Rev. John Waterhouse, general superintendent of the Wesleyan Missions in Australia and Polynesia, father of George Waterhouse John Waterhouse (astronomer) (1806–1879), of Halifax, inventor in 1858 of photographic equipment known as "Waterhouse stops" John Waterhouse (headmaster) (1852–1940), Australian educator, grandson of Rev. John Waterhouse, son of Jabez Waterhouse John Waterhouse (violinist) (1877–1970), Canadian violinist, conductor, and music educator John William Waterhouse (1849–1917), British Pre-Raphaelite painter John H. Waterhouse (1870–1948), American businessman and mayor of North Adams, Massachusetts John Waterhouse, curator of Monash University Gallery, Melbourne, Australia, in the 1960s
See also Jonathan Waterhouse (born 1965), English cricketer John Waterhouse Daniel (1845–1933), Canadian physician and Conservative politician