Leo could refer to:
- Leo Dustards, special Dustards created by the Leo Zodiarts after he claimed multiple Horoscopes Zodiarts Switches.
- Leo Imagin, an Imagin with a albino counterpart.
- Leo Soldiers, the minion spawns of the Leo Imagin.
- Leo Zodiarts, a Horoscopes Zodiarts themed after the constellation of Leo.
- Leo (555), the Lion Orphnoch and Kamen Rider Psyga.