Kerrigan is a family name and may refer to:
The following people:
- Peter Kerrigan (1899–1977), British trade unionist
- Joe Kerrigan (born 1954), American baseball player
- Nancy Kerrigan (born 1969), American figure skater
- Kait Kerrigan, an American playwright and musical theater lyricist
- T. S. Kerrigan (born 1939), American lawyer and poet
In law:
- Kerrigan v. Commissioner of Public Health, a Connecticut Supreme Court case concerning same-sex marriage
In fiction:
- Sarah Kerrigan, fictional character in the StarCraft series