| Abbreviation | Definition |
|---|---|
| GSP | Geological Society of the Philippines |
| GSPS | Georgia Society of Plastic Surgeons |
| GSQ | Genealogical Society of Queensland |
| GSR | Georgia Society of Rheumatology |
| GSS | Graduate Student Society |
| GSSB | Genealogical Society of South Brevard |
| GSSC | Gujarati Society of Southern California |
| GSSD | Gemological Society of San Diego |
| GSSL | Geological Society of Sri Lanka |
| GST | Gesellschaft Schweizerischer Tierärzte |
| GST | Gesellschaft Schweizerischer Tierrzte |
| GST | Société des Vétérinaires Suisses |
| GST | Society of Swiss Veterinarians |
| GST | Socit des Vtrinaires Suisses |
| GSTS | Global Society of Tigrean Scholars |
| GSTT | Geological Society of Trinidad and Tobago |
| GSTT | Geological Society of Trinidad Tobago |
| GSTT | German Society for Trenchless Technology |
| GSUT | Genetics Society University of Toronto |
| GSV | Genealogical Society of Victoria |