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- Episode 07 of Excel Saga sees the team fight a creature that looks suspiciously like a Xenomorph Queen. Said episode also features the Pulse Rifle.
- In Kill la Kill, Mako turns into a Xenomorph in one of her Hallelujah moments.
- In Dragon Ball Z, Frieza's third form bears more than a passing resemblance to the Xenomorph (same goes for his alternate universe counterpart Frost). Additionally, some of Imperfect Cell's habits are very similar to the way the Xenomorph kills people. (like attacking people from behind with his stinger tail)
- Naturally Mad Magazine did a parody of all films in the franchise over the years, except for Alien 3. More info here: 
- One Gotlib gag has Pépé le Pevert playing the part of the astronaut investigating the strange planet, then having a face hugger alien jump unto his face. However, the creature is so disgusted by it, than he soon lets himself drop and throws up.
Film – Animated
- Shrek 2: During the fight with Puss in Boots, the cat goes inside Shrek's clothing and bursts through his shirt, much like the chest-burster scene.
Film – Live-Action
- Poltergeist: A poster of the film can be seen hanging in Rob's room.
- The chest burster scene in Space Balls has John Hurt reprising his role, shouting "No, not again!" in the process. The little alien then hops out and does a little sing-and-dance routine, parodying the Michigan J. Frog in One Froggy Evening.
- Nemesis Saga: In Project Hyperion, one of the enemy Kaiju bears a distinct resemblance to a Xenomorph and is named Giger as a result.
- In the first book of the Johnny Maxwell Trilogy, Only You Can Save Mankind, Johnny is surprised when the Screewee Captain admits that she is unable to navigate her own ship through its ventilation, citing Alien.
[p. 133/133] "'I saw a film where there was an alien crawling around inside a spaceship's air ducts and it could come out wherever it liked,' said Johnny reproachfully. 'Doubtless it had a map,' said the Captain."
- Mystery Science Theater 3000:
- During the review of Gamera vs. Zigra Dr. Forrester asks: Is it true what they say about space?, to which Dr. Erhardt responds: No one can hear you laugh!
- During The Space Children Mike says: It's laying eggs in my chest. Is that normal?''
- The host segments of I Was a Teenage Werewolf were a Whole Plot Reference to Alien.
- In the Doctor Who Christmas Special "Last Christmas", one of the characters refers to the film directly in response to the Monster of the Week. The Twelfth Doctor is really offended by the idea of a horror film called "Alien" and more or less says that humankind is asking to be invaded.
- In the Shadowhunters episode "The Mortal Cup", when discussing Jocelyn's overprotectiveness towards Clary, Simon compares the situation to the scene from Aliens where the alien queen was defending her eggs from Ripley.
- Conker's Bad Fur Day: A Xenomorph called Heinrich appears as the final boss, in a spoof of Aliens. Conker even says, "Get away from her, you bitch!" before he battles him.
- The Flood from Halo are a race of parasitic, vaguely humanoid creatures that attack in huge swarms, are particularly unpleasant to fight up close, and cocoon people in Meat Moss for future infection. Gee, where does this sound familiar from?
- The UNSC Marines are also pretty much modeled after the Colonial Marines.
- Doom doesn't contain any explicit references, but the general "techbase" aesthetic is lifted directly from the first two films.
- We could probably make this easier and say that the entire First-Person Shooter genre owes a significant debt to Aliens.
- Soldier's Inc. (2015): A Xenomorph appears as a playable character.
- Smite: Serqet's "Dread Queen" skin is modelled after the Xenomorph Queen, possessing a black biomechanical exoskeleton and jagged head crest.
- The Simpsons
- In the Itchy and Scratchy cartoon from Deep Space Homer Itchy bursts out of Scratchy's chest during his space travel.
- In Treehouse Of Horror XXI an X-ray machine reveals that an alien is gestating inside Professor Frink's stomach.
- Maggie bursts out of the chest of Bart's astronaut costume in Treehouse Of Horror XXII.
- In Sweet Seymour Skinner's Baadassssss Song Groundskeeper Willie chases Santa's Little Helper through the school's airducts, just as the crew does in Alien.
- A Xenomorph is seen in the opening sequence of Treehouse Of Horror XXIV.
- In Days Of Future Future Jenda dates a Xenomorph.
- South Park
- A xenomorph can be seen in the episode Imaginationland, among the evil fictional characters, where he kills off the mayor of Imaginationland.
- In Animaniacs, the episode "Space Probed". 
Tongue: Oh monster!
- In another episode where the Warners crash a celebrity party, they meets Sigourney Weaver and a xenomorph. Dot introduces it to one of her "pet" monsters inside her box, this time the Director with a talking tongue.
- American Dad!: In Great Space Roaster the way the Smiths wake up in the pods, and Stan's panties and tank top outfit are the same as Sigourney Weaver's in the end of Alien. The way Roger acts while hunting down the family on the spaceship is exactly like Alien.
- Transformers Rescue Bots, the episode "The Alien Invasion of Griffin Rock", Blade makes a reference to the facehuggers they talking about the possibility of an alien invasion.
- Codename: Kids Next Door: In "Operation: L.I.C.E.", the scene where the lice bursts through Numbah Five's hat references the chest-burster scene.
- Chip 'n Dale Rescue Rangers: One episode has the protagonists watching a movie similar to Alien, with the xenomorph's inner mouth having itself an inner mouth, and this one having one too... Up to the tiniest mouth, which then bites Ripley in the nose.
- In Planet 51, one of the aliens has a pet Xenomorph that acts like a dog.
- Robot Chicken:
- In the sketch, "Who's Killing The Muppets?" from the episode, "Schindler's Bucket List", when Scooter attempts to kill Kermit and Miss Piggy as revenge for killing his twin sister, Skeeter, when they were kids, Camilla clucks, "Get away from her, you bitch!" before she kills Scooter as revenge for killing Gonzo at the beginning of the sketch.
- The sketch, "Aliens Meet The Jetsons" from the episode, "Robot Fight Accident" is a Whole Plot Reference to the film.