Gary Hart (born 1936) is an American politician.
Gary Hart or Garry Hart may also refer to:
Gary Hart (footballer) (born 1976), British footballer Gary Hart (wrestler) (1942–2008), American professional wrestler and wrestling manager Gary K. Hart (1943–2022), American politician Gary Hart, British citizen who caused the Great Heck rail crash by falling asleep while driving on the M62 motorway Garry Hart, Baron Hart of Chilton (19402017), British Labour politician