John Manley (disambiguation)

John Manley (born 1950) is a Canadian politician

John Manley may also refer to:


 * John Manley (MP) (1622–1699), English soldier, MP and Postmaster General
 * John Manley (archaeologist) (born 1950), British archaeologist
 * John Henry Manley (1907–1990), American nuclear physicist
 * John Manley (naval officer) (1733–1793), United States Navy officer