Mulvihill is a surname. Its Irish form is Ó Maolmhichíl or Ó Maoilmhichil. The motto of the clan is "Pro Aris et Focis", which translates as "For Hearth and Home".
People
- Daráine Mulvihill/Ní Mhaolmhichil, Irish Person of the Year 2001.
- John Mulvihill (politician), Irish Labour Party politician.
- Liam Mulvihill, 17th Director General of the Gaelic Athletic Association.
- Margaret Mulvihill (1954–), Irish writer
- Patricia Mulvihill, colorist who has worked in the comics industry.
- Sarah-Jayne Mulvihill, Flight Lieutenant in the Royal Air Force who died in Iraq.