| Acronym | Definition |
|---|
| SWSA | Short Wavelength Small Aperture |
| SWSA | Semantic Web Services Architecture (computing) |
| SWSA | Social Work Student Association |
| SWSA | Solid Waste Storage Area |
| SWSA | Seattle Women's Sailing Association |
| SWSA | South West Sports Assembly |
| SWSA | Southern Waste Strategy Authority |
| SWSA | Silent Wings Soaring Association |
| SWSA | Scientific Workflow Software Architecture (various organizations) |
| SWSA | Social Work Student Alliance |
| SWSA | South Wales Soaring Association |
| SWSA | Southwest Sunbathing Association (AANR region) |
| SWSA | Southampton Water Sailing Association |
| SWSA | South West Soccer Association (Australia) |
| SWSA | Spatial Weapons System Analysis |
| SWSA | Saskatchewan Water Ski Association |
| SWSA | Constructionman Apprentice, Steelworker Striker (Naval Rating) |