John Humphreys

John Humphreys may refer to:


 * John Humphreys (economist) (born 1978), Australian economist and Liberal Democratic Party first President
 * John Lisseter Humphreys (1881–1929), British colonial administrator and Governor of North Borneo
 * John Humphreys (cricketer), Australian cricketer
 * John Humphreys (fencer) (1932–2017), Australian Olympic fencer