GSCA
| 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 |