Antlion refers to three characters. For those characters, see the following:
- Antlion (Sonic the Hedgehog CD), a scrapped Badnik from Sonic the Hedgehog CD.
- Antlion (Sonic Lost World), a Badnik that appears in Desert Ruins Zone 2 in the Nintendo 3DS version of Sonic Lost World
- Antlion Mecha, the Master Robot from the Game Gear version of Sonic the Hedgehog 2.