| Acronym | Definition |
|---|
| GWSA | Global Warming Solutions Act (various locations) |
| GWSA | Governor's Workplace Safety Awards (Indiana) |
| GWSA | Great World Serviced Apartments (Singapore) |
| GWSA | Gorgeous Washington Street Association (New York) |
| GWSA | Georgia Water Stewardship Act (est. 2010) |
| GWSA | Gloucester Water Ski Association (Canada) |
| GWSA | Genome-Wide Splice Array |
| GWSA | Georgia Women's Suffrage Association |
| GWSA | Guelph Wellington Seniors Association (Guelph, Ontario, Canada) |
| GWSA | Greater Washington Society of Anesthesiology (Owings Mills, MD) |