| Abbreviation | Definition |
|---|---|
| RPM | Racing Performance and Motivation |
| RPM | Racing Performance Machines |
| RPRA | Royal Pigeon Racing Association |
| RPW | Racing Performance Works |
| RR | Race Ready |
| RR | Race Replica |
| RR | Racing Replica |
| RR | Rat Racing |
| RR | Road Racer |
| RR | Road Racing |
| RRA | racing rivals account |
| RRCB | Royal Racing Club de Bruxelles |
| RRCE | Royal Racing Club Etterbeek |
| RRCI | Radio Race Car International |
| RRDC | Road Racing Drivers Club |
| RRE | Road / Race Engineering |
| RRE | Road /// Race Engineering |
| RRL | Rocket Racing League |
| RRM | Road Race Management |
| RRM | Road///Race Motorsports |