List of Famous people with last name Brennan

Brídín Ní Bhraonáin, professionally known as Brídín Brennan, is an Irish pop singer from Dobhar (Dore), Gweedore, County Donegal. She is the sister of Enya, Moya and Pól Brennan, and has also toured with family-band Clannad.

Scott Michael Brennan is an Australian Olympic gold medal-winning and national champion rower from Hobart, Tasmania. He has represented for Australia in rowing at three consecutive Olympic games.

Pól Brennan is an Irish singer, songwriter and producer. He is the brother of Enya, Moya Brennan, Brídín Brennan and Ciarán Brennan. He is a member of the family band Clannad, and co-wrote the hit song "Theme from Harry's Game". He left the group in 1990, but rejoined in 2011. Since the early 1990s, Pól has gained critical acclaim as a solo artist when he joined Japanese musician Joji Hirota and Chinese musician Guo Yue, and released an album, Trísan.

Kathleen Patricia Brennan is an American musician, songwriter, record producer and artist.

Bríd Brennan is a Northern Irish actress who is known for her theatre work, she originated the role of Agnes in the Brian Friel play Dancing at Lughnasa, for which she won the 1992 Tony Award for Best Featured Actress in a Play. She is also a three-time Olivier Award nominee; for Rutherford and Son (1995), The Little Foxes (2002) and The Ferryman (2018).

Ian Brennan is an American screenwriter, director and actor. He is known for his work on the American television shows Glee, Scream Queens and The Politician.

Denis Brennan is an Irish Catholic bishop. He has been Bishop of Ferns since 23 April 2006.

Joseph Edward Brennan is an American Democratic Party lawyer and politician from Maine. He served as the 70th Governor of Maine from 1979 to 1987. He is a former commissioner on the Federal Maritime Commission.