GBBI
| Acronym | Definition |
|---|---|
| GBBI | Greater Baltimore Bus Initiative |
| GBBI | Government Broadband Index (Economist Intelligence Unit) |
| GBBI | Gujarat Brethren Bible Institute (India) |
| GBBI | Grace Baptist Bible Institute (Ohio) |
| GBBI | Gist-Brocades/Bio-Intermediair (Dutch fermentation company) |