BDF
- Backward differentiation formula
- Bahrain Defense Force
- Ballroom Dancers' Federation
- Bangladesh Forces
- Bank of France
- Barbados Defence Force
- Bassirou Diomaye Faye
- Bates Dance Festival
- Bedfordshire
- Beiersdorf
- Belize Defence Force
- Berlin Demography Forum
- Board foot
- Bois-des-Filion
- Botswana Defence Force
- Dacia Felix Bank
- Glyph Bitmap Distribution Format
- PCI BDF