| GSAS | Games and Simulation Arts and Sciences 
| Others |
| GSAS | Games and Simulations Arts and Sciences
| Others |
| GSAS | General Structure Analysis System
| Others |
| GSAS | Georgia School of Addiction Studies
| Others |
| GSAS | Global Sustainability Assessment
| Others |
| GSAS | Global Sustainability Assessment System
| Others |
| GSAS | Graduate School of Arts and Science
| Others |
| GSAS | Graduate School of Arts and Sciences
| Others |
| GSAS | Graduate School of Arts Sciences
| Others |
| GSAS | Graduate Student Association Senate
| Others |
| GSAS | Graduate Students' Association at Scarborough
| Others |
| GSAS | Greater Seattle Aquarium Society
| Others |