John Waterhouse
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), of Halifax, inventor in 1858 of photographic equipment known as "Waterhouse stops"
- John Waterhouse (headmaster), Australian educator, grandson of Rev. John Waterhouse, son of Jabez Waterhouse
- John Waterhouse (violinist), Canadian violinist, conductor, and music educator
- John William Waterhouse, British Pre-Raphaelite painter
- John H. Waterhouse, American businessman and mayor of North Adams, Massachusetts
- John Waterhouse, curator of Monash [University Museum of Art#History|Monash University Gallery], Melbourne, Australia, in the 1960s