Ultima may refer to:
- The recurring spell.
- The recurring summon and entity from the Ivalice Alliance.
- The Materia from Final Fantasy VII.
- The materia from Crisis Core -Final Fantasy VII-.
- The enemy from Final Fantasy XI: Chains of Promathia.
- The Ultima Weapon's battle theme from Final Fantasy XIV: A Realm Reborn.
- Ultima Weapons
- Final Fantasy Crystal Chronicles' Ultamite which creates the Ultimate Sword, Lance, Hammer, and Maul for each of the four respective races.
Ultima is Latin, and in many of today's Latin-based languages, for "The Last", in its feminine sense. However in the Spanish versions of many Final Fantasy games the spell name is "Artema", a closer transliteration of the original Japanese katakana.