The term Majin could refer to:
- The Majin (魔人) race, created by Majin Boo and Miss Boo.
- The Majin (魔神) race that inhabits the Demon Realm.
- The Neko Majin (ネコマジン), a race of cat-like magical beings.
- Demigra, a demon from Dragon Ball XenoVerse who is commonly referred to as a "demon god" (魔神, majin).
- Hildegarn, a evil monster refererred to as a "phantom majin" (幻魔人, gen-majin).
- Majin Boo refers to various incarnations of the final villain of the original manga as well as the progenitor of the Majin race.
- Majin Ozotto, the final villain in the Dragon Ball Z V.R.V.S. arcade game.
- Demon God (魔神, Majin) is a transformation used by the demon species.
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