| Abbreviation | Definition |
|---|---|
| RWO | Renaissance Women Online |
| RWQ | Reading and Writing Quarterly |
| RWT | Righteous Warrior Temple |
| RWT | Rutland Weekend Television |
| RWV | Right World View |
| RWW | Radio WorldWide |
| RYI | Reference Year Index |
| RYV | Raise Your Voice |
| RZG | Radio Zum Glueck |
| RZH | Reference Zerah Hansen |
| RZK | Real Zeit Kernel |
| RZL | Return to Zero Level |
| S | Sincerly |
| SA | See Also |
| SA | Shabbir Ahmed |
| SA | Super Audio |
| SAA | Society For All Artists |
| SABAR | Strategic Alliance of Broadcasters for Aboriginal Reflection |
| SABC | South African Broadcasting Corporation |
| SACBEE | Sacramento Bee (California) |