John Cadman may refer to:
- John Cadman (convict), transported to Australia in 1797
- John Cadman, 1st Baron Cadman, British mining engineer
- John Cadman (sportsman) (1934-), English cricketer and field hockey player
- Baron Cadman is a title in the Peerage of the United Kingdom
Famous quotes containing the word john:
“After I was married a year I remembered things like radio stations and forgot my husband.”
—P. J. Wolfson, John L. Balderston (1899–1954)