John Hargrave (1894–1982) was a British youth leader and politician.
John Hargrave may also refer to:
John Hargrave (architect) (c. 1788–1833), Irish architect John Hargrave (judge) (1815–1885), Australian politician For the Internet humorist who styles himself as "Sir" John Hargrave, see Zug.com
See also John Hargreaves (disambiguation) John Hargrove (disambiguation)