FD

• Canon FD lens mount
• FD Phantom
• FTI Consulting
• Familial dysautonomia
• Fermi–Dirac statistics
• Ferredoxin
• Fidei defensor
• File descriptor
• Finance Director
• Fire Department
• Fixed deposit
• Flight director (aeronautics)
• Floppy disk drive
• Flying Dutchman (dinghy)
• Force of the Right
• Formula D
• Freedesktop.org
• Functional dependency
• Mazda RX-7 (FD)
• Nissan FD engine
• Russian locomotive class FD
• Thai AirAsia