RCG
RCG stands for:
- Radical Construction Grammar , a construction grammar
- Radio Canale Grande , a German pirate broadcaster
- Radio Crne Gore , a radio company in Montenegro
- Raiffeisen Central-Genossenschaft Nordwest, a predecessor organization of Agravis Raiffeisen
- Rail Cargo Group , Austrian freight transport company in rail transport
- Revue du chant grégorien
- Ruhrort-Crefeld-Kreis Gladbach Railway Company