BDF or Bdf may refer to:
- Ballroom Dancers' Federation
- Beiersdorf AG, a multinational corporation based in Hamburg, Germany.
- Deutscher Fernschachbund, the German Correspondence Chess Federation
- Glyph Bitmap Distribution Format, a file format for storing bitmap fonts.
- Building Distribution Frame, in architecture.
- Bulk Data Feed, in telecommunications.
- Bus/device/function when referring to PCI configuration space.
- Backward Differentiation Formula, a numerical method for solving ordinary differential equations.
- Board Feet
- Bois-des-Filion, Quebec
Read more about BDF: Military