| Abbreviation | Definition |
|---|---|
| RFC | Requirements For Conformance |
| RfD | reference dose |
| RFD | Request For Documentation |
| RFIA | Request For Intent to Apply |
| RFP | Request For Package |
| RFP | Request For Price |
| RFQ | Request For Quote |
| RFR | Request For Response |
| RFR | Request For Review |
| RFT | Request For Tender |
| RFT | Right First Time |
| RFU | Radio Frequency Unit |
| RFU | Reserved For Future Usage |
| RFY | Remaining Fiscal Years |
| RG | Request Granted |
| RGA | Rating of Grant Applications |
| RGA | Republican Governor's Association |
| RGE | Equatorial Guinean Resistance |
| RGL | Regulatory Guidance Letter |
| RHA | Regional Health Authority |