John Hervey
John Hervey may refer to:
- John Hervey (c.1353-c.1411), MP for Bedfordshire
- John Hervey, 1st Earl of Bristol, Member of Parliament for Bury St Edmunds
- John Hervey, 2nd Baron Hervey, son of the above, also MP for Bury St Edmunds
- John Hervey, 7th Marquess of Bristol, descendant of the above
- John Hervey, Lord Hervey, British diplomat
- John Hervey (died 1680), English courtier and politician
- John Hervey (1696-1764), British MP for Wallingford and Reigate
- John L. Hervey, American equine historian
- John Bethell Hervey, Rear Admiral of the Royal Navy