| Abbreviation | Definition |
|---|---|
| RFO | Research Facilitation Office |
| RFO | Responsible Facility Official |
| RFP | Requirements and Formulation Phase |
| RFPA | Request for Proposal Authorization |
| RFQ | Request For Qualifications |
| RFQ | Request for Quotation |
| RFR | Residence Flag Reciprocal |
| RFR | Request For References |
| RFS | Relapse free survival - Time from diagnosis to relapse or death |
| RFT | Registered Floor Trader |
| RFT | Request For Tender |
| RFU | Residence Flag Unilateral |
| RFV | Relative Feed Value |
| RG | Residential Gateway |
| RGA | Rate Gyro Assembly |
| RGA | Residual Gas Analyzer |
| RGAL | Rate Gyro Assembly-Left SRB |
| RGAO | Rate Gyro Assembly-Orbiter |
| RGAR | Rate Gyro Assembly-Right SRB |
| RGB | Red Green Blue |
| RGC | Radar Ground Clutter |
| RGC | Radio-gas Chromatography |
| RGD | Registered Graphic Designer |
| RGEA | Right Gastroepiploic Artery |
| RGH | Repatriation General Hospital |
| RGI | Registrar General of India |
| RGK | Royal Grounds Keeper |
| RGM | Redundant Gyro Monitor |
| RGNDWM | Rajiv Gandhi National Drinking Water Mission |
| RGP | Rate Gyro Package |
| RGPO | Rendezvous Guidance and Procedures Officer |
| RGRMA | Rate Gyro Redundancy Management Algorithm |
| RGT | Registered Genetic Technologist |
| RH | Reasonable hypothesis |
| RHA | Residence Hall Assistant |
| RHC | Reduce Holidays Campaign |
| RHC | Residence Hall Coordinator |
| RHCE | Red Hat Certified Engineer |
| RHCP | Right Hand Circular Polarization |
| RHD | Rheumatic Heart Disease |
| RHD | Radiological Health Data |
| RHE | Reproductive Health Externship |
| RHEB | Right Hand Equipment Bay |
| RHEO | Right Hand Forward Equipment Bay |
| RHFEB | Residual Hazards List |
| RHH | Reproductive Herd Health |
| RHIA | Registered Health Information Administrator |
| RHIT | Registered Health Information Technician |
| RHL | Relative Humidity Monitor |
| RHL | Recurrent Herpes Labialis |