| Acronym | Definition |
|---|
| RCMG➣Raleigh Chamber Music Guild (est. 1941; Raleigh, NC) |
| RCMG➣Regional Coordination Management Group (NSW, Australia) |
| RCMG➣Rifle Calibre Machine Gun |
| RCMG➣Records and Classification Management Group (CIA) |
| RCMG➣Rush Copley Medical Group (New York) |
| RCMG➣Roman City Mobile Game |