List of Famous people with last name O-brien

Dave O'Brien was an American film actor, director, and writer.

Donough O'Brien was the third son of Murrough O'Brien and the ancestor of the Leameneagh branch of that family.

Liam Christopher O'Brien is an American voice actor, writer, and director. He is a regular cast member of the Dungeons & Dragons actual play series Critical Role, playing Vax'ildan ("Vax") and Caleb Widogast. He has been involved in many video games, cartoons, and English-language adaptations of Japanese anime. His major anime roles include Gaara in Naruto, Vincent Law in Ergo Proxy, Captain Jushiro Ukitake in Bleach, Lloyd in Code Geass, Kenzo Tenma in Monster, Akihiko in Persona 3, and Nephrite in the Viz Media dub of Sailor Moon.

William Timothy O'Brien is an American novelist. He is best known for his book The Things They Carried (1990), a collection of linked semi-autobiographical stories inspired by O'Brien's experiences in the Vietnam War. In 2010, the New York Times described O'Brien's book as a Vietnam classic. In addition, he is known for his war novel, Going After Cacciato (1978), also about wartime Vietnam, and later novels about postwar lives of veterans.

Willis Harold O'Brien was an American motion picture special effects and stop-motion animation pioneer, who according to ASIFA-Hollywood "was responsible for some of the best-known images in cinema history," and is best remembered for his work on The Lost World (1925), King Kong (1933) and Mighty Joe Young (1949), for which he won the 1950 Academy Award for Best Visual Effects.