John Pennington
John Pennington may refer to:
- John Pennington, 1st Baron Muncaster, British peer and Tory politician
- John L. Pennington, American newspaper publisher, politician, and the fifth Governor of Dakota Territory
- John Penington, or Pennington, English naval officer
- Sir John Pennington, [3rd Baronet|John Pennington, 3rd Baronet], British Member of Parliament for Cumberland
- John Kenneth Pennington, priest, lecturer of St Mary's Church, Nottingham and Sheriff of Nottingham 1982-1983
- John Pennington (politician), Australian politician