GSAB
| 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) |