# 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, a lifeform with extraterrestrial intelligence
** For fictional extraterrestrial life, see Extraterrestrials in fiction
* Introduced species, a species not native to its environment
** Adventive plants or alien plants, species that are foreign to the native flora
Alien(s), or The Alien(s) may also refer to:

## Science and technology

* AliEn (ALICE Environment), a grid framework
* Alien (file converter), a Linux program
* Alien Technology, a manufacturer of RFID technology

## Arts and entertainment

* Alien (franchise), a media franchise
** Xenomorph, the titular alien in the franchise

### Films

* 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: Romulus, ninth film in the franchise from 2024 by Fede Álvarez
* 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
* Alienoid, a 2022 South Korean film

### Literature

* Alien novels, an extension of the Alien franchise
* Aliens: Colonial Marines Technical Manual, a 1995 book by Lee Brimmicombe-Wood, a guide to the fictional United States Colonial Marines
* Aliens (Tappan Wright novel), a 1902 novel by Mary Tappan Wright
* Aliens! (anthology) a 1980 anthology of science fiction edited by Gardner Dozois and Jack Dann
* The Alien (novel), the eighth book in the Animorphs series by Katherine Applegate
* The Aliens (play), a 2010 play by Annie Baker

### Music
#### Performers

* Alien (band), a 1980s Swedish rock group
* The Aliens (Australian band), a 1970s new wave group
* The Aliens (Scottish band), a 2005–2008 rock group
* The Aliens, the backing band for the American musician Jared Louche on his 1999 solo debut album Covergirl

#### Albums

* Alien (soundtrack), 1979
* Alien (Beam album), 2022
* Alien (Northlane album), 2019
* Alien (Strapping Young Lad album), 2005
* Alien, a 1989 EP by Tankard
* Aliens (soundtrack), 1987

#### Songs

* "Alien" (Britney Spears song), 2013
* "Alien" (Jonas Blue and Sabrina Carpenter song), 2018
* "Alien", a song by Atlanta Rhythm from the album Quinella, 1981
* "Alien", a song by Bush from the album Sixteen Stone, 1994
* "Alien", a song by Dead Letter Circus from the EP Dead Letter Circus, 2007
* "Alien", a song by The Devil Wears Prada from the EP Space, 2014
* "Alien", a song by Erasure from the album Loveboat, 2000
* "Alien", a song by Japan from the album Quiet Life, 1979
* "Alien", a song by Lamb from the album Fear of Fours, 1999
* "Alien", a song by Nerina Pallot from the album Dear Frustrated Superstar, 2001
* "Alien", a song by P-Model from the album Landsale, 1980
* "Alien", a song by Pennywise from the album Straight Ahead, 1999
* "Alien", a song by Stray Kids from the album SKZ-Replay, 2022
* "Alien", a song by Structures from the album Life Through a Window, 2014
* "Alien", a song by the National from the album First Two Pages of Frankenstein, 2023
* "Alien", a song by Third Day from the album Conspiracy No. 5, 1997
* "Alien", a song by Thriving Ivory from the album Thriving Ivory, 2003
* "Alien", a song by Tokio Hotel from the album Humanoid, 2009
* "Alien", a 2018 song by Beach House
* "Alien", a 2020 song by Lee Su-hyun
* "Alien", a 2020 song by Dennis Lloyd
* "Aliens" (song), a 2017 song by Coldplay
* "Aliens", a 1984 song by Warlord
* "The Alien", a song by Dream Theater from the album A View from the Top of the World, 2021

### Video games
#### Based on the 1979 and 1986 films

* Alien (1982 video game), a 1982 maze game based on the 1979 film
* Alien (1984 video game), based on the 1979 film
* Aliens: The Computer Game (US Version), a 1986 game by Activision based on the 1986 film of the same name
* Aliens: The Computer Game (UK Version), a 1986 game by Electric Dreams based on the 1986 film
* Aliens (1990 video game), a game by Konami, based on the 1986 film
* Alien: Isolation, a 2014 video game based on the Alien science fiction horror film series
* See also: List of Alien, Predator, and Alien vs. Predator games

#### Other video games

* Aliens (1982 video game), a text-only clone of Space Invaders written for the CP/M operating system on the Kaypro computer

### Other media

* Alien (Armenian TV series), a 2017 melodrama series
* Alien: Isolation – The Digital Series, web series in the Alien franchise from 2019 by Fabien Dubois
** Alien: Earth, an upcoming science fiction horror television series in the franchise by Noah Hawley
* 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
* "Aliens" (Roseanne), a 1992 television episode

## Other uses

* Alien (shipping company), a Russian company
* Alien Sun (born 1974), Singaporean actress
* Alien, a perfume by Thierry Mugler
* Alian District (Alien), in Taiwan