John Milner was an American baseball player.
John Milner may also refer to:
John T. Milner (1826–1898), U.S. industrialist, railroad tycoon John Milner (nonjuror) (1628–1702), English clergyman John Milner (footballer) (born 1942), English former professional footballer John Milner (bishop) (1752–1826), English Roman Catholic bishop and writer John Milner (magician), British magician, stage and TV performer John Milner, a character in the 1973 film American Graffiti
See also John Milnor (born 1931), American mathematician John Millner (born c. 1951), Illinois State Senator (2005-2013)