| Acronym | Definition |
|---|
| GSDA➣Griffin-Spalding Development Authority (Griffin, GA) |
| GSDA➣Greater San Diego Academy (California) |
| GSDA➣Georgia Stock Dog Association |
| GSDA➣Gundam SEED (Superior Evolutionary Element Destined-Factor) Destiny Astray (manga) |
| GSDA➣Greater Sudbury Dressage Association (Canada) |
| GSDA➣Ground Self Defense Army (Japanese army) |