| Abbreviation | Definition |
|---|---|
| RRJ | Rubber Ring Joint |
| RRK | Radio Rurale de Kayes |
| RRK | Rapid Response Kit |
| RRK | Rasmus Rask Kollegiet |
| RRK | Rhodesian Ridgeback Klubben |
| RRK | Rice Ramsperger Kassel |
| RRK | Riva Rocci Korotkoff |
| RRK | Rob Roy Kelly |
| RRL | by Ralph Lauren |
| RRL | Radio Relay Link |
| RRL | Ralph and Ricki Lauren |
| RRL | Ralph and Ricky Lauren |
| RRL | Ralph Ricky Lauren |
| RRL | Range Resources Ltd |
| RRL | Really Rare Loudspeaker |
| RRL | Recommended Reading List |
| RRL | Reconfigurable Robotics Lab |
| RRL | Regis Resources Limited |
| RRL | Regis Resources Ltd |
| RRL | Register of Radiocommunications Licences |