Hannigan
Hannigan is the surname of the following persons:
- Alyson Hannigan ( born 1974 ), American actress
- Barbara Hannigan (born 1971 ), Canadian soprano
- Dominic Hannigan (born 1965 ), Irish politician and engineer
- Ed Hannigan, American comic book author and signatory
- Joseph Hannigan (1904-1944), Irish politician
- Lisa Hannigan ( born 1981 ), Irish musician
- Disambiguation