| Acronym | Definition |
|---|
| GBBS➣Group B Beta-Hemolytic Streptococcus (bacterium) |
| GBBS➣Generalized Binary Bent Sequence |
| GBBS➣Gozo Bird Breeders Society (est. 2000; Gozo, Malta) |
| GBBS➣Great British Bead Show (annual trade show) |
| GBBS➣Grassland Breeding Bird Survey (Pennsylvania Game Commission) |