Alien

Alien primarily refers to:

Alien (law), a person in a country who is not a national of that country
- Enemy alien, the above in times of war
Extraterrestrial life, life which does not originate from Earth
- Specifically, intelligent extraterrestrial beings; see List of alleged extraterrestrial beings
Introduced species, a species not native to its environment

Alien(s), or The Alien(s) may also refer to:

Science and technology

Alien (film), a 1979 film by Ridley Scott
- Aliens (film), second film in the franchise from 1986 by James Cameron
- Alien 3, third film in the franchise from 1992 by David Fincher
- Alien Resurrection, fourth film in the franchise from 1997 by Jean-Pierre Jeunet
- Alien vs. Predator (film), fifth film in the franchise from 2004 by Paul W. S. Anderson
- Aliens vs. Predator: Requiem, sixth film in the franchise from 2007 by the Brothers Strause
- Prometheus (2012 film), seventh film in the franchise from 2012 by Ridley Scott
- Alien: Covenant, eighth film in the franchise from 2017 by Ridley Scott
Alien 2: On Earth, a 1980 unofficial sequel of the 1979 Alien film
Alien Visitor (also titled Epsilon) (1995 film) Australian–Italian science fiction film by Rolf de Heer
The Alien (2016 film), a 2016 Mexican film
The Alien (unproduced film), an incomplete 1960s Indian–American film

"Alien" (Britney Spears song)
"Alien" (Jonas Blue and Sabrina Carpenter song)
"Alien" (Pennywise song)
"Alien" (Third Day song)
"Alien", a song by Bush on the album Sixteen Stone
"Alien", a song by Erasure on the album Loveboat
"Alien", a song by Japan on the album Quiet Life
"Alien", a song by Lamb on the album Fear of Fours
"Alien", a song by Nerina Pallot on the album Dear Frustrated Superstar
"Alien", a song by P-Model on the album Landsale
"Alien", a song by Thriving Ivory on their self-titled album
"Alien", a song by Tokio Hotel on the album Humanoid. Also, fans of the band call themselves Aliens
"Alien", a Top 40 hit by Atlanta Rhythm Section from the album Quinella
"Aliens" (Coldplay song)
"My Alien", a song by Simple Plan on the album No Pads, No Helmets... Just Balls
"The Aliens", a song by Warlord

Alien (1984 video game), based on the film
Alien (Atari 2600), a 1982 maze game based on the 1979 film
Alien: Isolation, a 2014 video game based on the Alien science fiction horror film series
Aliens (1982 video game), a text-only clone of Space Invaders written for the CP/M operating system on the Kaypro computer
Aliens (1990 video game), a game by Konami, based on the sequel of the film

Alien (Armenian TV series), a 2017 melodrama series
Alien (sculpture), a 2012 work by David Breuer-Weil, in Mottisfont, Hampshire, England
Aliens (Dark Horse Comics line)
The Aliens (TV series), 2016 British sci-fi television series

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gollark: I can do DB lookups case-insensitively, it would just possibly break other things and cause minor badness.