John Harrington
John Harrington or John Harington may refer to:
Politicians
- John Harington, 1st Baron Harington
- John Harington, 2nd Baron Harington
- John Harington, 4th Baron Harington
- John Harington (died 1553), MP for Rutland
- John Harington (died 1582), MP for Pembroke Boroughs, Old Sarum and Caernarvon Boroughs; official of Henry VIII of England
- John Harrington (died 1654), English politician
- John Harington, 1st [Baron Harington of Exton], English politician
- John Harington, 2nd Baron Harington of Exton, English courtier
- John Harrington (Parliamentarian), English politician
- John Harrington (American politician), American politician and member of the Minnesota State Senate
Others
- John Harrington of Hornby, English knight
- John Harrington (knight), Yorkist knight during the Wars of the Roses
- John Harington (writer), English writer, of Kelston, inventor of the flushing toilet
- John Harrington (Medal of Honor), List of [Medal of Honor recipients for the Indian Wars|Medal of Honor recipient for the Indian Wars]
- John L. Harrington, American bridge engineer
- John Peabody Harrington, American ethnologist
- John Harrington (American football), American football player
- John Harrington (baseball), American business manager and baseball executive
- John Harrington (ice hockey), American ice hockey player
- John Herbert Harington, British orientalist, colonial administrator and judge