| Abbreviation | Definition |
|---|---|
| SWAG | Sharing Warmth Around the Globe |
| SWAT | SEAL Wives Against Terrorism |
| SWC | Sacred Well Congregation |
| SWC | SayWhatClub |
| SWC | Simon Wiesenthal Center |
| SWCF | Soil and Water Conservation Foundation |
| SWCS | Soil and Water Conservation Society |
| SWEAT | Sex Worker Education and Advocacy Task force |
| SWF | A Special Wish Foundation |
| SWF | Silver Wings Fraternity |
| SWF | Sturge- Weber Foundation |
| SWFI | Sturge- Weber Foundation, Inc. |
| SWH | Southwest Missouri Humane Society |
| SWHR | Society for Women's Health Research |
| SWISSCAM | Swiss Brazilian Chamber of Commerce |
| SWITCH | Students Working In Tobacco Can Help |
| SWOC | SouthWest Ohio Chapter |
| SWOLE | Serving With the Objective to Lead & Educate |
| SWSA | Semantic Web Science Association |
| SWT | Scottish Wildlife Trust |