John Monroe may refer to: John Monroe (lawyer) (1839–1899), Irish lawyer John T. Monroe (1822–1871), U.S. politician, mayor of New Orleans John Monroe (speed skater), former Canadian speed skater John Monroe (baseball) (1898–1956), Major League Baseball infielder John Monroe, alter ego of Weasel (DC Comics)

See also Jack Monroe (disambiguation) John Monro of the Monro family (physicians) John Munro (disambiguation)