Alien
- Tahun: 1979
- Negara: United States of America
- Aliran: Kengerian, Cerita Fiksi
- Studio: 20th Century Fox, Brandywine Productions
- Kata kunci: android, spacecraft, space marine, biology, dystopia, countdown, space suit, beheading, space travel, cowardice, alien, space, female protagonist, parasite, space opera, cosmos, xenomorph
- Direktur: Ridley Scott
- Pemeran: Tom Skerritt, Sigourney Weaver, Veronica Cartwright, Harry Dean Stanton, John Hurt, Ian Holm