| Abbreviation | Definition |
|---|---|
| REV | Race Evolution Vehicle |
| REV | Race Exertion Vehicle |
| REVIVING | Removes All Traces of Makeup Without Stripping Skin of its Essential Oils |
| RFC | Racers for Christ |
| RFFR | Regulators Forever Forever Regulators |
| RFH | Racing For Heroes |
| RFJ | Racing For Jesus |
| RFN | Race Fan News |
| RFR | Racing For Recovery |
| RFR | Roush Fenway Racing |
| RFR | Rutgers Formula Racing |
| RFS | Racing Four Stroke |
| RFT | Racing For Teens |
| RFW | Race For Wool |
| RGN | Racing Games Network |
| RH | Relay Harness |
| RHDA | Redheroes Driver Academy (racing forum) |
| RHQ | Racing High Quality |
| RHS | Racing Head Service |
| RICE | Racing Inspired Cosmetic Equipment |