Found 4 full forms for GBBR
| Term | Full Form | Category |
|---|---|---|
| GBBR | Georgian Bay Biosphere Reserve 
| Others |
| GBBR | Great Brisbane Bike Ride
| Others |
| GBBR | Greater Baltimore Board of REALTORS
| Others |
| GBBR | Greater Bridgeport Board of REALTORS
| Others |