| GPSC | General Purpose Synchronous Communications 
| Others |
| GPSC | Generalized Principle of Strict Cyclicity
| Others |
| GPSC | Georgia Professional Standards Commission
| Others |
| GPSC | Georgia Public Service Commission
| Others |
| GPSC | Geospatial Product and Service Contracts
| Others |
| GPSC | Ghana Peace and Solidarity Council
| Others |
| GPSC | Global Platform for Sustainable Cities
| Others |
| GPSC | Global Purchasing & Supply Chain
| Others |
| GPSC | Goa Public Service Commission
| Others |
| GPSC | Goa Public Service Commission (India)
| Others |
| GPSC | Gps Correction
| Others |
| GPSC | Graduate and Professional Student Committee
| Others |
| GPSC | Graduate and Professional Student Council
| Others |
| GPSC | Graduate and Professional Studies Committee
| Others |
| GPSC | Graduate and Professionals Student Council
| Others |
| GPSC | Graduate Professional Student Committee
| Others |
| GPSC | Graduate Professional Student Council
| Others |
| GPSC | Green Party of Sonoma County
| Others |
| GPSC | Grosse Pointe Sail Club
| Others |
| GPSC | Gujarat Public Service Commission
| Others |
| GPSC | Gujarat Public Service Commission (India)
| Others |