| Abbreviation | Definition |
|---|---|
| RFW | Radio Frequency Weapon |
| RFW | Radio Frequency Weapons |
| RFW | Ready For War |
| RFW | Request For Waiver |
| RG | Readiness Group |
| RG | Reconstitution Group |
| RG | Repair Grade |
| RG | Retired General |
| RGA | Rice Gum Army |
| RGA | Royal Garrison Archiver |
| RGA | Royal Garrison Artillery |
| RGAF | Revolutionary Government of the Armed Forces |
| RGB | Red, Green, Blue |
| RGC | Radar Ground Clutter |
| RGC | Repair Group Category |
| RGF | Rebel Ground Forces |
| RGF | Russian Ground Forces |
| RGL | Reading Grade Level |
| RGM | Submarine launched Guided Missile |
| RGMT | Regiment |