John Hampden (c. 1595–1643) was an English parliamentarian and a central figure at the start of the English Civil War.
John Hampden may also refer to:
John Hampden (MP) (c. 1387–c. 1459), MP for Buckinghamshire, 1420, 1437 John Hampden (1653–1696) grandson of John Hampden; coined the term "Glorious Revolution" John Hampden (1696–1754) great grandson of John Hampden John Hampden, flat-earth proponent involved in the Bedford Level experiment.
See also John Hampden Grammar School, a secondary school in High Wycombe, Buckinghamshire John Hampton, governor of Western Australia