BDAS
| Acronym | Definition |
|---|---|
| BDAS | Background Draw-a-Secret (software) |
| BDAS | Bendigo District Astronomical Society (Australia; est. 1998) |
| BDAS | Bundesverband der Aikido-Schulen |
| BDAS | Bromley District Angling Society (UK) |
| BDAS | Balloon Dilation Atrial Septostomy (cardiology) |
| BDAS | Battle Damage Assessment System |