John Grainger may refer to: John Grainger (antiquarian), Irish cleric and antiquarian John Harry Grainger, architect and civil engineer John Grainger (footballer, born 1912), English professional footballer John Grainger (footballer, born 1924), English professional footballer John Grainger (politician) (1803–1872), real estate investor and member of the South Australian Legislative Council
See also Jack Grainger (disambiguation) John Granger, speaker and writer John Granger (footballer), Scottish footballer