| 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 |