Alien Brain may refer to:

• Teenage Zombies: Invasion of the Alien Brain Thingys!, a video game
• Alien Brain from Outer Space, episode 4 of Frankenstein Jr. and The Impossibles
• "Mr. Alien Brain Vs. The Skinwalkers", an album by Psychic TV
• The antagonist in X-COM: UFO Defense

This disambiguation page lists articles associated with the title Alien Brain.
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