EGA may stand for
- EGA: estimated gestational age, medical
- Eagle, Globe, and Anchor, the emblem of the United States Marine Corps
- Egyptian German Automotive Company, the Mercedes-Benz manufacturer in Egypt
- Elegant Gothic Aristocrat, a fashion line
- Éléments de géométrie algébrique, a mathematical treatise by Alexander Grothendieck and Jean Dieudonné
- Enhanced Graphics Adapter, a computer display specification
- European Golf Association, whose membership is restricted to European National Amateur Golf Associations, Federations or Unions
- Evolved gas analysis, a type of chemical analysis