Omega may refer to:
- The recurring robot superboss.
- The recurring Weapon creature and superboss.
- The recurring key item.
- The chapter from Dirge of Cerberus -Final Fantasy VII-.
- The character from Final Fantasy X.
- The status from Final Fantasy XIV.
- The enemy ability from Final Fantasy Tactics Advance.
- The character from Final Fantasy: Unlimited.
Etymology
Omega (capital: Ω, lowercase: ω; Greek Ωμέγα) is the twenty-fourth and last letter of the Greek alphabet, representing a longer Latin "o" as well as the "oo" and "ou" IPA vowel clusters. In mathematics, it is synonymous with a set's end or limit. In physics, uppercase omega is the SI abbreviation for the ohm, a unit of electrical resistance.