John Barrington
John Barrington may refer to:
- John Barrington (14th century MP), MP for Essex
- John Barrington (MP for Dunwich), English politician
- Sir John Barrington, 3rd Baronet, English MP for Newtown, 1645–1648 and 1660–1679
- Sir John Barrington, 4th Baronet, of the Barrington baronets
- Sir John Barrington, 6th Baronet, of the Barrington baronets
- Sir John Barrington, 7th Baronet, British MP for Newtown, 1729–1734 and 1741–1775
- Sir John Barrington, 9th Baronet, British MP for Newtown, 1780–1796
- John Barrington, 1st Viscount Barrington, English lawyer and theologian
- John Barrington (British Army officer)
- John Barrington (Irish politician), member of a Quaker merchant family, and Lord Mayor of Dublin
- John S. Barrington, British physique photographer