FBD

FBD may refer to:

Science and technology

• Flange back distance, in mounting camera lenses
• Free body diagram, helps visualise forces on bodies
• Fully Buffered DIMM, computer memory module
• Function block diagram, a graphical language for programmable logic controller design
• Functional block diagram, a block diagram in systems engineering

Transport

• Braine-l'Alleud railway station, in Belgium
• Flemington Bridge railway station, in England
• Farrukhabad Junction railway station, in Uttar Pradesh, India
• Fayzabad Airport, in Afghanistan

Other uses

• Far Beyond Driven, an album by American metal band Pantera
• FBD Holdings, an Irish insurance company
• Freshfields Bruckhaus Deringer, a British law firm