Slig may refer to any of the following fictional creatures:
Slig (Dune), a slug-pig hybrid in Frank Herbert's Dune universe Slig (Dungeons & Dragons), a creature in the Dragonlance universe of novels and related media, and also the dark sun setting. Sligs (Marvel Comics), an alien race encountered by Marvel Comics' Fantastic Four superhero team A creature in the Oddworld video game universe A member of Deep Six, a group of DC Comics villains