CGA may refer to:
The Computational Geometry Algorithms Library (CGAL) is a software library of computational geometry algorithms.
The Color Graphics Adapter (CGA), originally also called the Color/Graphics Adapter or IBM Color/Graphics Monitor Adapter, introduced in 1981, was IBM's first graphics card and first color display card for the IBM PC.
Floyd Bennett Field was New York City's first municipal airport, later a naval air station, and is now a park.
Computer display standards are a combination of aspect ratio, display size, display resolution, color depth, and refresh rate.
CGAP may refer to: