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