John Cowles
# John Cowles

John Cowles may refer to:

* John Cowles Sr. (1898–1983), American newspaper and magazine publisher
* John Cowles Jr. (1929–2012), American editor and publisher
* John Cowles (mineralogist), namesake of Cowlesite
* John Cowles (politician) (fl. 1881), member of the 104th New York State Legislature for Monroe County
