List of Famous people with last name O-brien

Edward Conor Marshall O'Brien was an Irish aristocrat and intellectual. His views were republican and nationalist. He was also owner and captain of one of the first boats to sail under the tri-colour of the Irish Free State.

Barry O'Brien is an American television writer and producer best known as the co-creator of Disney Channel Original Series Hannah Montana. His credits include Happy Days, Perfect Strangers, Hangin' with Mr. Cooper, Judging Amy, and CSI: Miami.

Edward Lynam O'Brien is an Australian politician. He is a member of the Liberal National Party of Queensland (LNP) and has represented the seat of Fairfax in the House of Representatives since the 2016 federal election. He sits with the Liberal Party in federal parliament. Prior to entering politics he was a businessman with considerable experience across Asia and a leader of various community organisations, including chairman of the Australian Republic Movement (2005–2007).