Career
John Haggerty is a guitarist. John Hagerty or Haggerty may also refer to:
Politicians
John Haggerty, a New York political candidate who lost the 1920 United States House of Representatives elections
John Haggerty, a political candidate who lost the 2014 California Attorney General primary election
Other people
John Haggerty, a shareholder of Howell Works (1822–1850), a bog iron-based production facility
John Haggerty, a father of Jimmy Haggerty, a 19th-century American criminal
John Haggerty, Macklemore"s uncle on the cover art of the 2012 single, "Same Love"
John Haggerty, musician in Pegboy
John Hagerty (American football).
