| Acronym | Definition |
|---|
| GSTA➣Gay Straight Trans Alliance |
| GSTA➣Giant Screen Theater Association (now Giant Screen Cinema Association) |
| GSTA➣Glutathione S-Transferase Alpha |
| GSTA➣Goods and Services Tax Act (Australia) |
| GSTA➣Garden State Towman’s Association |
| GSTA➣Ground Surveillance & Target Acquisition |
| GSTA➣Girl Scout Troop Assistant |