Daniel Thomas "Dan" O’Bannon (* 30. September 1946 in St. Louis, Missouri; † 17. Dezember 2009 in Los Angeles, Kalifornien) war ein US-amerikanischer Drehbuchautor und Regisseur. Er arbeitete vor allem an Science-Fiction-Filmen. ()
Daniel Thomas "Dan" O'Bannon (September 30, 1946 – December 17, 2009) was an American screenwriter and director of science fiction and horror films. He is best known for his work on "Alien" (1979), "The Return of the Living Dead" (1985) and "Total Recall" (1990).