Alien

Alien may refer to:

In biology

*Extraterrestrial life
*Any introduced species

In fiction

*Fictional extraterrestrials
*Alien (franchise)
**Alien (Alien franchise), the titular creatures of the franchise

Film

*Any of the six films in the "Alien" franchise:
**Alien (film), 1979 film directed by Ridley Scott
**Aliens (film), 1986 sequel directed by James Cameron
**Alien 3, 1992 sequel directed by David Fincher
**, 1997 sequel directed by Jean-Pierre Jeunet
**Alien vs. Predator (film), 2004 crossover film directed by Paul W.S. Anderson
**, 2007 crossover sequel directed by The Brothers Strause

Television

*, an episode of "Law & Order: Special Victims Unit"
*Aliens in America, 2007 sitcom.

Literature

*Aliens (1902 novel), novel by Mary Tappan Wright
*Aliens (novel series), a number of novels based on the "Alien" franchise characters
*Aliens (comic book), a number of comic book series based on the "Alien" franchise characters

In games

*Aliens (video game), a number of video games based on the Alien franchise characters
**Aliens (arcade game), 1990 arcade game by Konami based on the Alien franchise characters

In insurance

*Alien abduction insurance, form of insurance used to cover against alien abduction

In language

*Alien (law), a legal term in U.S. law
*Alien (signifier), term used in literature and criticism

In music

Bands

*Alians (band), Polish rock band
*Alien (band), Swedish rock band
*Alien Ant Farm, American alternative rock band
*The Aliens, Scottish rock band

Albums

*Alien (album), 2005 album by Strapping Young Lad
*ATLiens, 1996 album by OutKast

In technology and computing

*AliEn (ALICE Environment), lightweight Grid framework developed by CERN
*Alien (software), a computer program
*Alien Technology, manufacturer of RFID technology
*Alienware, a division of Dell

People

*Alien Sun, Singapore-born actress and Miss Singapore of 1994