BDM
- Background debug mode interface
- Bateson–Dobzhansky–Muller model
- Becker-DeGroot-Marschak method
- Bedford railway station
- Big Damn Movie
- Biodiversity Monitoring Switzerland
- Black Desert Mobile
- Blackened death metal
- Brian David-Marshall
- Browning BDM
- Bruce Bueno de Mesquita
- Brutal death metal
- Bund Deutscher Mädel
- Business decision mapping
- Business development manager
- Elizabeth Glaser Pediatric AIDS Foundation
- General Register Office
- List of aircraft (B–Be)
- M141 Bunker Defeat Munition
- The Black Dahlia Murder (band)