Halligan (surname)
Halligan is a surname of Irish origin, deriving from Irish Ó hAilechain or Ó hAleagain. Bearers include:
- John Halligan, Irish politician
- Bob Halligan, Jr., US Christian rock musician
- Brendan Halligan, Irish economist and politician
- Brian Halligan, CEO of HubSpot
- Caitlin Halligan, US lawyer and judicial nominee
- Danny Halligan, New Zealand soccer player
- Daryl Halligan, New Zealand rugby league player
- Dick Halligan, US jazz-rock musician
- James Halligan, an Irishman hanged for murder in America
- James Reginald Halligan, Australian public servant
- Jim Halligan, US politician
- Jocko Halligan, US baseball player
- John Halligan, US ice hockey executive
- John Halligan, Jr., US Navy admiral
- Johnny Halligan, Scottish footballer
- Liam Halligan, UK economist and journalist
- Marion Halligan, Australian writer
- Ray Halligan, Australian politician
- Ursula Halligan, Irish broadcaster
