List of Famous people with last name Monahan

Patrick Monahan is an American singer, songwriter, musician, and actor, best known as the lead singer and sole constant member of the band Train. He has collaborated with multiple artists, and has recorded a solo album, Last of Seven.

William J. Monahan is an American screenwriter and novelist. His second produced screenplay was The Departed, a film that earned him a Writers Guild of America Award and Academy Award for Best Adapted Screenplay.

Dan Monahan is an American actor, best known for his role as Edward "Pee Wee" Morris in the 1980s Porky's trilogy of teen films. He appeared in Only When I Laugh and Porky's 1981.

Obsidian Entertainment, Inc. is an American video game developer based in Irvine, California. It was founded in June 2003, shortly before the closure of Black Isle Studios, by ex-Black Isle employees Feargus Urquhart, Chris Avellone, Chris Parker, Darren Monahan, and Chris Jones.

Terence "Terry" Monahan is an American police officer and administrator who is the current Chief of Department of the New York Police Department. In this position, he supervises uniformed police commanders. The Chief is the Department's highest ranking uniformed police officer and the lead official responsible for operations.