John Churchill, 1st Duke of Marlborough (1650–1722) was an English soldier and statesman.
John Churchill may also refer to:
John C. Churchill (1821–1905), American lawyer and politician John Churchill, 7th Duke of Marlborough (1822–1883) John Churchill (lawyer), English lawyer of the seventeenth century John Churchill (priest) (1920–1979), Anglican Dean of Carlisle John Churchill (died 1682) (1622–1682), MP for Dorchester John Churchill (1657–1709), MP for Dorchester John Churchill (sport shooter) (1939–2015), British rifle shooter John Churchill (publisher) (1801–1875), English medical publisher John Churchill (judge) (c. 1620–1685), English lawyer and attorney-general John Churchill, Marquess of Blandford (1686–1703), British nobleman John Gibbs Churchill (1905–1975), New Zealand trade unionist and local politician
See also Jack Churchill (disambiguation) John Spencer-Churchill (disambiguation)