Haggerty is a surname. Notable people with the surname include:
Ancer L. Haggerty (born 1944), American jurist on the U.S. District CourtBen Haggerty (born 1983), better known by his stage name Macklemore, American rapper and musicianDan Haggerty (1941-2016), American bodybuilder, animal trainer, and actorDon Haggerty (1914–1988), American film actorFrank Haggerty (1876–1962), American college sports coachGareth Haggerty (born 1981), British rugby league playerJames, Jim, or Jimmy Haggerty, multiple peopleJoan Haggerty (born 1940), Canadian novelistMike Haggerty (born 1945), American football playerPat Haggerty (died 1994), American football official in the NFLPat Haggerty (born 1944), former member of the Texas House of Representatives from El PasoPatrick E. Haggerty (born 1914), Texas Instruments co-founderRay Haggerty (born 1923), Canadian politician; served in the Legislative Assembly of OntarioRoy Haggerty (born 1966), Canadian-American scientist; professor and administrator at Oregon State University