| Acronym | Definition |
|---|
| SWCS | Soil & Water Conservation Society |
| SWCS | Société Wallonne du Crédit Social (French: Walloon Social Credit Company; Belgium) |
| SWCS | Shallow Water Combat Submersible (US Navy) |
| SWCS | Southwestern Central School District (New York) |
| SWCS | Saffron Walden Choral Society (UK) |
| SWCS | Senior Chief Steelworker (Naval Rating) |
| SWCS | Strategic Warning & Control System |
| SWCS | Sanitary Wastewater Consolidation System |
| SWCS | Special Warfare Center and Schools (US DoD; United States Army John Fitzgerald Kennedy Special Warfare Center and Schools, Fort Bragg, North Carolina) |