| 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) |