GMC (disambiguation)
GMC stands as an abbreviation for:
- GMC (General Motors Company), American automobile brand
- Galvin Manufacturing Corporation , former name of the electronics manufacturer Motorola
- Gambia Muslim Congress , political party in Gambia
- Game Maker Community , the community of the Game Maker computer game development environment
- General Medical Council , the British medical association
- German MMA Championship , German mixed martial arts organization based in Gelsenkirchen
- Giant Molecular Clouds , giant molecular clouds in the Milky Way, see Molecular Cloud # Giant Molecular Clouds
- Global Motion Compensation , used by video codecs, see Motion Compensation #Global Motion Compensation (GMC)
