| Abbreviation | Definition |
|---|---|
| RRL | Remote Reference Layer |
| RRL | Resource requirement list |
| RRL | Restricted Regions List |
| RRL | Rocket Racing League |
| RRL | Rodeo Ralph Lauren |
| RRLO | Race Relations Liaison Officer |
| RRLO | Recueil de ressources sur les langues officielles |
| RRLW | Rolls Royce Liberty Works |
| RRM | Rapid Response Mechanism |
| RRM | Record Reference Manual |
| RRM | Registered Reporting Mechanism |
| RRM | Registered Reporting Mechanisms |
| RRM | Remote Releasing Module |
| RRM | RNA Recognition Motifs |
| RRM | Robotic Refueling Mission |
| RRM | Rochester Rotational Molding |
| RRM | Rustbelt RNA Meeting |
| RRMC | Raven Rock Mountain Complex |
| RRMC | Rolls-Royce Motor Cars |
| RRMD | Rampart Range Metro District |