Ultima Sword may refer to:
- The recurring weapon.
- The ability from Final Fantasy Tactics Advance.
- The ability from Final Fantasy Tactics A2: Grimoire of the Rift.
- The ability from Final Fantasy Brave Exvius.
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.