BFD

BFD may refer to:

• Bakersfield Fire Department, Bakersfield, California
• Boston Fire Department, Boston, Massachusetts
• Brooklyn Fire Department (former), Brooklyn, New York
• Buffalo Fire Department, Buffalo, New York

• Bidirectional Forwarding Detection, a network protocol used to detect faults between devices
• Binary File Descriptor library, the GNU Project's main mechanism for the portable manipulation of object files in a variety of formats
• Binary Format Description language, an extension of XSIL
• A virtual music instrument meant to simulate a drumset, released by FXpansion

• Benelux Film Distributors, a joint venture of various independent film distributors
• BFD, an annual alternative music festival hosted by the radio station Live 105

• Bakersfield (Amtrak station), California (Amtrak station code)
• Beaconsfield railway station, Melbourne
• Bradford Regional Airport, Bradford, Pennsylvania (IATA airport code)
• Brentford railway station, London, England (National Rail station code)

• Back focal distance or back focal length, in optics
• Bafut language (ISO 639 alpha-3 code: bfd)
• BFD Energy Challenger, a professional tennis tournament in Rome, Italy
• Boiler feedwater pump, a type of pump used to pump feedwater into a steam boiler
• Bounded factorization domain, a particular kind of atomic domain
• Budgerigar fledgling disease, a virus, frequently fatal to caged birds
• Bund Freier Demokraten, the German acronym for Association of Free Democrats
• Bundesfreiwilligendienst or Federal volunteers service, Germany
• Conker's Bad Fur Day, a 2001 video game