| Abbreviation | Definition |
|---|---|
| RSWL | Rowan Solid Waste Lab |
| RSWP | Recovery Shrimp Waste Protein |
| RSWP | Remorque Sur Wagon Plat |
| RSWP | Renal Scientists Working Party |
| RSWR | Renewable surface water resources |
| RSWR | Royal Suklaphanta Wildlife Reserve |
| RSY | Rashtriya Sadbhavana Yojana |
| RSY | Renaissance South Yorkshire |
| RSYS | Royal Sydney Yacht Squadron |
| RSZ | Randomly Split Zones |
| RT | Radio Telephony |
| RT | Radio Trigger |
| RT | ReligiousLiberty in The |
| RT | Repulsor Transmitter |
| RT | Ria Tambula |
| RT | Ruby Tuesday |
| RT | Russia Today |
| RT | Russian TV |
| RTA | Railway Tie Association |
| RTA | Random Tactical Arena |