The Xenomorph (Greek for "a strange form, an alien creature") is the main fictional antagonist in the Alien franchise, and can be used more generally to refer to extraterrestrials.
Xenomorph may also refer to:
Xenomorph (geology), a mineral that did not develop its external crystal form Xenomorph (video game), a 1990 science-fiction role-playing video game Xenomorph (band), a Dutch death metal band formed in 1994 Xenomorph, a fictional creature on the 1988 television series Something Is Out There Xenomorphia, a genus of parasitoid wasp Zerg, initially called Xenomorphs before the game