| Acronym | Definition |
|---|
| SWWA | Saskatchewan Water and Wastewater Association |
| SWWA | Southwest Western Australia |
| SWWA | Southwestern Washington |
| SWWA | South West Water Authority |
| SWWA | Semantic Web and Web Applications |
| SWWA | Swedish Water & Wastewater Association |
| SWWA | Seoul Women Workers Association (Korea) |
| SWWA | Saskatchewan Watchable Wildlife Association |
| SWWA | Southwest Walleye Anglers |
| SWWA | Starapple-Wines Watershed Association |
| SWWA | Southwest Writers Association |
| SWWA | South West Wrestling Association |
| SWWA | Swainson Warbler (Limnothlypis swainsonii) |
| SWWA | Sims-Whitney Water Authority (Arenac County, Michigan) |