Hegarty is a surname. Notable people with the surname include:
Anton Hegarty (1892–1944), British athlete who competed in cross countryAntony Hegarty (born 1971), English singer-songwriter, lead singer of Antony and the JohnsonsBill Hegarty (born 1927), former American football offensive tackle in the National Football LeagueBrian Hegarty, Scottish rugby union playerChris Hegarty (born 1984), Scottish professional footballer who plays as a midfielderDan Hegarty, Irish radio presenter employed by RTÉDen Hegarty (born 1954), rock and roll, doo-wop and a cappella singerDiarmuid Hegarty (Griffith College), the President of Griffith College DublinDiarmuid O'Hegarty, Irish revolutionary and civil servantDick Hegarty (1885–1917), English footballerElliot Hegarty (born 1971), television director of American and British televisionFergal Hegarty, retired Irish athleteFrances Hegarty or Frances Fyfield (born 1948), British lawyer and crime-writerGer Hegarty (born 1966), retired Irish sportspersonHelene Hegarty, member of the England women's cricket team between 1954 and 1963Herbert George Hegarty, World War I flying ace credited with eight aerial victoriesJack Hegarty (born 1888), American football player and coach of football and basketballJohn Hegarty (academic), elected 43rd Provost of Trinity College, Dublin, Ireland in 2001John Hegarty (politician) (born 1947), former Australian politicianJohn Hegarty (rugby union), Scottish rugby union playerMary Hegarty, British opera sopranoNick Hegarty (born 1986), English footballer who plays as a left-sided midfielder and wing backPat Hegarty (born 1948), Irish retired sportspersonPatrick Hegarty (1926–2002), Irish Fine Gael politician and farmerPaul Hegarty (born 1954), Scottish former football playerPaul Hegarty (Irish footballer) (born 1967), past Irish footballer, manager of League of Ireland First Division club Finn HarpsPaul Hegarty (musician), musician, author and university lecturerRuth Hegarty (born 1929), Aboriginal Elder and authorRyan Hegarty, ice hockey player, cousin of or Ned HavernSéamus Hegarty, D.D. (born 1940), Irish Catholic prelateSeán O'Hegarty, prominent member of the Irish Republican Army in Cork during the Irish War of IndependenceSean Hegarty, Gaelic footballer from County KerryShannon Hegarty (born 1979), Australian former rugby league footballerValerie Hegarty (born 1967), American artist