Immortal may refer to:
- A term for someone who cannot die.
- Undying - Species name for people who have gained immortality.
- IMMORTAL - The race of Immortal beings
- Immortal (Title) - A title held by Balmung Sin, Hikari Niwa, and Rhang Rezsa.
- Immortal Slayers - Individuals able to forge and wield Immortal Slaying Weapons.
- Legends / LEGEND - Great Heroes or Villains given immortality.