RCG
RCG stands for:
- Radical Construction Grammar, a construction grammar
- Radio Canale Grande, a German pirate radio station
- Radio Crne Gore, a radio company in Montenegro
- Raiffeisen Central Cooperative Northwest, a forerunner of the Agravis Raiffeisen
- Ruhrort - Crefeld circle Gladbach Railway Company
- Disambiguation
- Abbreviation