Lesser demon may refer to:
- Lesser demons, found all over the world
- Lesser demon (Demon Flash Mobs), lesser demons found during Demon Flash Mobs
- Lesser demon (Do No Evil), lesser demons summoned by Eruni during Do No Evil
- Lesser demon (Dominion Tower), lesser demons summoned by Eruni in the Dominion Tower
- Lesser demon (Dungeoneering), lesser demons found in the dungeons of Daemonheim
- Lesser demon (Wizards' Tower), the lesser demon found in the Wizards' Tower
- Lesser demon (Melzar's Maze), the demon that inhabits Melzar's Maze