Supernova may refer to:
- The recurring enemy ability originating from Sephiroth.
- The recurring enemy ability used by Weapon-type enemies.
supernova is an astronomical event that occurs during the last stellar evolutionary stages of a massive star's life, whose dramatic and catastrophic destruction is marked by one final titanic explosion. For a short time, this causes the sudden appearance of a 'new' bright star, before slowly fading from sight over several weeks or months.A