John Hynes may refer to:
John Hynes (footballer) (born 1979), former Australian rules football player John Hynes (ice hockey) (born 1975), ice hockey coach John Hynes (politician) (1897–1970), Massachusetts politician John Hynes (priest), professor of archaeology and president of University College Jack Hynes (soccer) (1920–2013), Scottish-born American soccer forward John Hynes (rugby league), Australian rugby league footballer John J. Hynes (1872–1938), Newfoundland-born American labor union leader
See also Jack Hynes (disambiguation) Hynes Convention Center, the John B. Hynes Veterans Memorial Convention Center located in Boston, Massachusetts