John Hewson (born 1946) is a former Australian politician who served as leader of the Liberal Party from 1990 to 1994.
John Hewson may also refer to:
John Hewson (artist) (1744–1821), English textile artist John Hewson (regicide) (died 1662), English soldier in the New Model Army and regicide of Charles I Jack Hewson (John G. Hewson Sr., 1924–2012), American basketball player
See also John (disambiguation) Hewson (disambiguation) John Henson (disambiguation)