GBBS
| 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) |