John Hobart
John Hobart may refer to:
- Sir John Hobart, 2nd Baronet, English MP for Cambridge, Lostwithiel, Brackley and Norfolk 1641–1647
- Sir John Hobart, 3rd Baronet, English MP for Norfolk 1673–1685
- John Hobart, 1st Earl of Buckinghamshire, English MP for St Ives and Norfolk 1727–1728, Treasurer of the Chamber
- John Hobart, 2nd Earl of Buckinghamshire, English MP for Norwich, Lord of the Bedchamber and Lord Lieutenant of Ireland
- John Sloss Hobart, U.S. Senator from New York
- John Henry Hobart, Episcopal Bishop of New York