John Gardiner
John Gardiner may refer to:
- John Gardiner, Baron Gardiner of Kimble, British peer
- John Sylvester John Gardiner, Rector of Trinity Church, Boston, Massachusetts
- John Gardiner (Australia), banker and grazier
- John Gardiner (basketball), Australian Olympic basketball player
- John Gardiner (businessman), British businessman
- John Gardiner (footballer, born 1911), Scottish footballer, played for Great Britain in 1936 Olympics
- John Gardiner (footballer, born 1958), Scottish footballer
- John Gardiner (hurler), hurler with Cork GAA
- Sir John Eliot Gardiner, British conductor
- John Reynolds Gardiner, American children's author
- John Gardiner (Montreal politician), former politician in Montreal, Quebec, Canada
- John Stanley Gardiner, British zoologist
- John Gardiner (died 1586), MP for Penryn and Dorchester
- John Gardiner (cricketer), English cricketer
- John Rolfe Gardiner, American author
- John Gardiner (painter), see Charles Tupper
- Harry Gardiner (politician), Australian politician