Voodoo Doll may refer to:
- Clothier Voodoo Doll - an item used to summon Skeletron, by killing the Clothier at night.
- Guide Voodoo Doll - an item that can be used to summon the Wall of Flesh (and killing the Guide), by throwing it into lava in The Underworld. On mobile you can also tap it and it will summon the Wall of Flesh.
- Voodoo Demon - the enemy that always drops the Guide Voodoo Doll