| Abbreviation | Definition |
|---|---|
| GSLA | Georgia Senior Living Association |
| GSLA | Great Sacandaga Lake Association |
| GSLA | Greater South Loop Association |
| GSMA | Georgia State Medical Association |
| GSMA | Gift Sales Manager Association |
| GSMA | Granite State Managers Association |
| GSMA | Group Special Mobile Association |
| GSSA | Garden State Seafood Association |
| GSSA | Garden State Sikh Association |
| GSSA | Graduate Studies Student Association |
| GSSA | Granite State Swim Association |
| GSSA | Great Southern Sports Association |
| GSTA | Garden State Taxidermy Association |
| GSTA | Giant Screen Theater Association |
| GSTA | Gopher State Timing Association |
| GTA | Gay Truckers Association |
| GTAA | Georgia Tech Athletic Association |
| GTFA | Guam Track and Field Association |
| GTHA | Grand Traverse Hockey Association |
| GTMA | Georgia Textile Manufacturers Association |