Carat may refer to:
- Carat (mass), a unit of mass for gemstones and pearls
- Carat, or Karat, a fractional measure of purity for gold alloys
- Carat (board game)
- "Carat", a 2007 music single by Sifow
- Carat (Centrale d'Achats Radio, Affichage, Télévision), now the Dentsu International communications company
- Cooperation Afloat Readiness and Training, a naval exercise
- Volkswagen Carat, a car model
- AMS-Flight Carat, a motorglider design