| Acronym | Definition |
|---|
| GSAB➣General Support Aviation Battalion |
| GSAB➣Geological Society of America Bulletin |
| GSAB➣General Services Administration Building (University of British Columbia; Canada) |
| GSAB➣Graduate Student Advisory Board (various locations) |
| GSAB➣Green Space Advisory Board (Rochester Hills, MI) |
| GSAB➣Graduate Student Association Board (Shippensburg University; Shippensburg, PA) |