John Haggerty (born 1960) is a guitarist.
John Haggerty or Hagerty may also refer to:
John A. Haggerty (1841–1910), Wisconsin state legislator and businessman John B. Haggerty (1884–1953), American labor union leader John K. Hagerty (1867–1945), Pennsylvania state representative John Haggerty, New York political candidate who lost the 1920 United States House of Representatives elections John Haggerty, political candidate who lost the 2014 California Attorney General primary election John Haggerty (Canadian football), Canadian football punter Jack Hagerty (John Leo Hagerty, 1903–1982), American football player, coach and college athletics administrator
See also John Hawkins Hagarty (1816–1900), Canadian lawyer, teacher and judge John Hegarty (disambiguation)