Leon can refer to:
- Leon, a French smasher.
- LeoN, a New Jersey smasher.
- Leon Powalski, a character from the Star Fox series.
- Leon Belmont, a character from the Castlevania series who appears as a spirit in Super Smash Bros. Ultimate.
- Leon S. Kennedy, a character from the Resident Evil series who appears as a spirit in Super Smash Bros. Ultimate.