Hourigan is a surname. Notable people with the surname include:
Christopher Hourigan, Physician-scientist Jack Hourigan (born 1968), Canadian actress Neasa Hourigan (born 1980), Irish politician Michael Hourigan, Irish politician in County Limerick Paige Mary Hourigan (born 1997), New Zealand tennis player Patrick Hourigan (1934–2022), Irish politician Richard Hourigan (1939–2002), Irish politician