| Abbreviation | Definition |
|---|---|
| RR | Radio Ready |
| RR | Radio Retransmissions |
| RR | Ragnorak Raiders |
| RR | Rain Rate |
| RR | Raised Rail |
| RR | Rally Raid |
| RR | Ranch Road |
| RR | Randy Rhoads |
| RR | Range Rover |
| RR | Rapid Release |
| RR | Rapid Retrieve |
| RR | Rate of Return |
| RR | Ravens Ridge |
| RR | Rb Reset |
| RR | Ready Reaction |
| RR | Real Rate |
| RR | really razy |
| RR | recycled rubber |
| RR | Red Ribbon |
| RR | Reference Range |