| Abbreviation | Definition |
|---|---|
| SURTASS | Surveillance Towed Array Sensor System |
| SUTA | Subsea Umbilical Termination Assembly |
| SV | Sea View |
| SVE | Soil Vapor Extraction |
| SVP | Surface Velocity Program |
| SW | Salt Water |
| SW | Saturated Warm |
| SW | Shock Wave |
| SWAMP | Southwest Area Monsoon Project |
| SWATH | Small Waterplane Area Twin Hull |
| SWC | Sympathy Wave Creation |
| SWE | Snow Water Equivalence |
| SWEAT | Salt Water Energy Accumulation and Transformation |
| SWFC | Southwest Fisheries Center |
| SWFSC | Southwest Fisheries Science Center |
| SWI | Salt Water Immersion |
| SWI | Sea Water Intrusion |
| SWIM | Surface Water Improvement And Management |
| SWIS | Satellite Weather Information System |
| SWL | Still Water Level |