BDBA
| Acronym | Definition |
|---|---|
| BDBA | Beyond Design Basis Accident |
| BDBA | Brampton Downtown Business Association |
| BDBA | Bankstown District Baseball Association (Milperra, New South Wales, Australia) |
| BDBA | Beijing Downtown Backpackers Accommodation (China) |
| BDBA | Batangas Duckpin Bowling Association |