O'Brien (surname)

O'Brien is a surname of Irish origin which has many variants in the Irish diaspora worldwide, such as O'Bryan, O'Brian, O'Briant, O'Brient, O'Bryant, O'Brine, O'Bryen etc., which all claim a general common ancestry with the original Gaelic surname being Ó Briain or Uí Briain. Notable people with the surname include:

List of people surnamed O'Brien

• Aaron O'Brien
• Adam O'Brien
• Aiden O'Brien
• Alan O'Brien
• Alex O'Brien (born 1970), American professional tennis player from the United States
• Ambrose O'Brien
• Andy O'Brien (disambiguation), various
• Arthur O'Brien
• Austin O'Brien
• Barry O'Brien
• Billy O'Brien
• Brendan O'Brien (disambiguation), various
• Brenna O'Brien
• Brock O'Brien
• Buck O'Brien
• Burton O'Brien
• Cathy O'Brien
• Charles O'Brien (disambiguation), various
• Ciaran O'Brien
• Cinders O'Brien
• Conal O'Brien
• Conan O'Brien, talk show host
• Connor O'Brien (disambiguation), various
• Conor O'Brien (disambiguation), various
• Cubby O'Brien
• Daniel O'Brien (disambiguation), various
• Danielle O'Brien
• Danny O'Brien (disambiguation), various
• David O'Brien (disambiguation), various
• Declan O'Brien and Declan O'Brien (footballer)
• Dennis O'Brien (disambiguation), various
• Derek O'Brien (disambiguation), various
• Donald O'Brien (disambiguation), various
• Doug O'Brien
• Dylan O'Brien
• Edmond O'Brien
• Edna O'Brien
• Edward O'Brien (disambiguation), various
• Edwin O'Brien
• Eileen O'Brien (disambiguation), various
• Eugene O'Brien (disambiguation), various
• Fergal O'Brien
• Fergus O'Brien
• Flann O'Brien
• Gareth O'Brien
• George O'Brien (disambiguation), various
• Ger O'Brien
• Geoffrey O'Brien
• Glenn O'Brien
• Gray O'Brien
• Harry O'Brien (changed his name in 2013 to "Heritier Lumumba")
• Harvey O'Brien
• Henry O'Brien (disambiguation), various
• Hod O'Brien
• Hugh O'Brien
• Iain O'Brien
• Ian O'Brien
• Jack O'Brien (disambiguation), various
• Jake O'Brien
• James O'Brien (disambiguation), various
• Jamie O'Brien (disambiguation), various
• Jesse O'Brien (disambiguation), various
• Jim O'Brien (disambiguation), various
• Joan O'Brien
• Joseph O'Brien (disambiguation), various
• John O'Brien (disambiguation), various
• Kate O'Brien
• Kathleen O'Brien
• Katie O'Brien
• Keith O'Brien
• Ken O'Brien
• Kerry O'Brien (disambiguation), various
• Kevin O'Brien (disambiguation), various
• Kieran O'Brien
• Kim O'Brien
• Kirsten O'Brien
• Larry O'Brien
• Laurence O'Brien
• Lawrence O'Brien
• Leighton O'Brien
• Leo O'Brien
• Leslie O'Brien
• Liam O'Brien (disambiguation), various
• Lucy O'Brien
• Luke O'Brien
• Margaret O'Brien
• Mark O'Brien (disambiguation), various
• Maureen O'Brien
• Michael O'Brien (disambiguation), various
• Michele O'Brien
• Mick O'Brien (disambiguation), various
• Miles O'Brien (disambiguation), various
• Mollie O'Brien
• Niall O'Brien (disambiguation), various
• Nick O'Brien
• O'Brien (Nineteen Eighty-Four), fictional character in George Orwell's Nineteen Eighty-Four
• Paddy O'Brien (disambiguation), various
• Parry O'Brien
• Pat O'Brien (disambiguation), various
• Patrick O'Brien (disambiguation), various
• Paul O'Brien (disambiguation), various
• Peter O'Brien (disambiguation), various
• Richard O'Brien (disambiguation), various
• Robert O'Brien (disambiguation), various
• Ron O'Brien (disambiguation), various
• Roy O'Brien
• Scott O'Brien
• Sean O'Brien (disambiguation), various
• Shane O'Brien (disambiguation), various
• Shannon O'Brien
• Shauna O'Brien
• Simon O'Brien (disambiguation), various
• Soledad O'Brien
• Stephen O'Brien
• Steve O'Brien
• Terence O'Brien (disambiguation), various
• Thomas O'Brien (disambiguation), various
• Timothy O'Brien, various
• Tina O'Brien
• Trever O'Brien
• Vincent O'Brien (disambiguation), various
• Virginia O'Brien
• William O'Brien (disambiguation), various
• Willis O'Brien

See also

• O'Brien dynasty, the royal dynasty who ruled Thomond

This page or section lists people with the surname O'Brien. If an internal link intending to refer to a specific person led you to this page, you may wish to change that link by adding the person's given name(s) to the link.