Tiernan
Tiernan is an Irish family name. The name descends from the Irish word for "lord".
Notable people with the surname Tiernan include:
- Andrew Tiernan, English actor
- Bob Tiernan, American politician
- Cate Tiernan, pen name of Gabrielle Charbonnet, American author
- Fergus Tiernan, Scottish football midfielder
- Frances Christine Fisher Tiernan, pen name "Christian Reid", American novelist, author
- Greg Tiernan, Irish-born-Canadian-based animator, director, voice actor
- Mary Spear Nicholas Tiernan, American writer
- Mike Tiernan, American professional baseball player
- Robert Tiernan, American lawyer, politician
- Tommy Tiernan, Irish comedian, actor, writer, presenter
