| Abbreviation | Definition |
|---|---|
| RATP | Reliable Asynchronous Transfer Protocol |
| RATTSASS | Registry of Acronym Terminology Source And Search Service |
| RAV | Remote Audio- Video |
| RAW | Raw Architecture Web |
| RB | Remote Backup |
| RBB | Residential BroadBand |
| RBGAN | Regional Broadband Global Area Network |
| RBIU | Regional Bus Interface Unit |
| RBL | Relay Blackhole List |
| RBL | Remote Black List |
| RBL | Router Block List |
| RBLD | Ring-Based Limited Directory |
| RBMU | Resource Base Management Unit |
| RBN | Real Broadcast Network |
| RBOC | Regional Bell Operating Company |
| RBRVS | Resource Based Relative Value Scale |
| RBS | Remote Backup Service |
| RBS | Robbed Bit Signaling |
| RC | Resource Compiler |
| RC | Resource Configuration |