TGSA
| Acronym | Definition |
|---|---|
| TGSA | Taiwanese Graduate Student Association |
| TGSA | Texas Gulf Surfing Association (Corpus Christi, TX) |
| TGSA | The Graduate School of America (now Capella University; Minneapolis, MN) |
| TGSA | Thorpe Grammar School Association (UK) |
| TGSA | Texas Grain Sorghum Association (trade association) |
| TGSA | Tsubaki Grand Shrine of America (Granite Falls, WA) |
| TGSA | Troll Gas Sales Agreement (Norway) |