Fred Gardiner (1895–1983) was a Canadian politician, lawyer and businessman.

Fred or Frederick Gardiner may also refer to:

Frederick Gardiner (radiologist) (1874–1933), Scottish radiologist and dermatologist Frederick Gardiner (mountaineer) (1850–1919), British ship-owner, explorer and mountaineer Fred Gardiner (rugby union) (1874–1921), Irish rugby union international Fritz Gardiner (1874–1935), South African jurist

See also Fred Gardner (disambiguation) Gardiner (surname)