BDC
- BDC (group)
- BDC Aero Industrie
- Backup Domain Controller
- Bandel Junction railway station
- Beat Down Clan
- Beck Depression Inventory
- Becton Dickinson
- Bellini duct carcinoma
- Berlin Document Center
- Binary Delta Compression
- Bishop Druitt College
- Black Diamond Conference
- Boolean Differential Calculus
- Bottom dead centre
- Brian Deer Classification System
- British Dance Council
- Broadway Dance Center
- Bullet drop compensation
- Business Data Catalog
- Business Development Bank of Canada
- Business Development Company
- Christian Democratic Bloc
- Terephthalic acid
- Total Nonstop Action Wrestling