GBAS
| Acronym | Definition |
|---|---|
| GBAS | Ground Based Augmentation System (see also Space Based Augmentation System for GPS) |
| GBAS | Give Back A Smile (charitable foundaton of the American Academy of Cosmetic Dentistry program) |
| GBAS | Group Benefits Administration System (software) |
| GBAS | General Bezel Assembling Standard |
| GBAS | Glovebox Assay System |
| GBAS | Guilt By Association Syndrome |