List of Famous people with last name Brennan

Kevin Denis Brennan is a British Labour Party politician who was first elected as the Member of Parliament (MP) for Cardiff West in 2001, and was a Minister of State at both the Department for Business, Innovation and Skills and the Department for Children, Schools and Families before the 2010 general election. His responsibilities included Further Education, Skills, Apprenticeships and Consumer Affairs.

Shane Brennan is an Australian–American television writer and producer, best known as the executive producer of the American CBS drama NCIS, as well as the creator of the NCIS spin-off series, NCIS: Los Angeles.

Robert John Brennan is an American prelate of the Roman Catholic Church who serves as Bishop of Columbus. He had served as the Auxiliary bishop of the Diocese of Rockville Centre, New York. He was appointed as the 12th Bishop of the Diocese of Columbus, Ohio, on January 31, 2019 and was officially installed as Bishop of Columbus on March 29, 2019.

Colleen Brennan is an American former pornographic actress. She has also gone by the name of Sharon Kelly.