| Acronym | Definition |
|---|
| GSCA➣Giant Screen Cinema Association |
| GSCA➣Gordon Setter Club of America (est. 1924) |
| GSCA➣Geological Survey of Canada (various locations) |
| GSCA➣Gran Sport Club of America (Buick; Valdosta, GA) |
| GSCA➣Good Shepherd Christian Academy (Washington, NJ) |
| GSCA➣Generalized Square Contour Algorithm |