Keir Dullea (* 30. Mai 1936 in Cleveland, Ohio) ist ein US-amerikanischer Schauspieler. International bekannt wurde er insbesondere durch die Rolle des Astronauten Dave Bowman in Stanley Kubricks Filmklassiker 2001: Odyssee im Weltraum. ()
Keir Dullea (born May 30, 1936) is an American actor best known for the character of astronaut David Bowman, whom he portrayed in the 1968 film 2001: A Space Odyssey and in 1984's 2010: The Year We Make Contact, as well as his roles in the films Bunny Lake is Missing (1965) and Black Christmas (1974).