Henry Mordaunt may refer to: Henry Mordaunt, 4th Baron Mordaunt (died 1608), English landowner involved in the Gunpowder Plot Henry Mordaunt, 2nd Earl of Peterborough (16211697), English soldier, peer and courtier Henry Mordaunt (Royal Navy officer) (c. 1682–1710), English politician and naval officer Sir Henry Mordaunt, 12th Baronet (18671939), English baronet and cricketer