| Abbreviation | Definition |
|---|---|
| RegO | Registration Officer |
| REHP | Registered Environmental Health Professional |
| REM | Really Extraordonary Memory |
| REO | Re Employment Options |
| REO | Regional Event Organiser |
| REP | Renewable Energy Professional |
| RETAIN | Responsible Ethical Treatment Of Animal In Neighborhoods |
| REV | Reverend |
| REVD | Reverend |
| RFC | Registered Financial Consultant |
| RFC | Registered Floor Clerk |
| RFI | Room For Improvement |
| RFP | Registered Financial Planner |
| RFQ | Request For Qualifications |
| RFR | Request For References |
| RFT | Registered Floor Trader |
| RG | Registrar General |
| RGD | Registered Graphic Designer |
| RGE | Registered Geotechnical Engineer |
| RGK | Royal Grounds Keeper |