BDA
- Association of German Architects
- BDA China Limited
- Banco Delta Asia
- Banco de Desenvolvimento de Angola
- Bangalore Development Authority
- Battle damage assessment
- Beijing Economic-Technological Development Area
- Benzylideneacetone
- Bhubaneswar Development Authority
- Bi-directional amplifier
- Blu-ray Disc Association
- Bohol Deaf Academy
- Brazilian Decimetric Array
- British Deaf Association
- British Dental Association
- British Dietetic Association
- British Dragon Boat Racing Association
- Browning BDA (disambiguation)
- Business Daily Africa
- Confederation of German Employers' Associations
- Cosworth BDA
- Environmental impacts of beavers
- L.F. Wade International Airport
- MediaPortal