FB

FB or fb may stand for:

In sports:

• Fenerbahçe, a Turkish sports club
• Fly ball, a type of batted ball or a pitching stat in baseball
• Fullback (American football), a position in American football

In computing and internet:

• Facebook, a social networking website, also FB.com
• Flashback Media Group, a Swedish internet forum
• Framebuffer, in computer technology
• FreeBASIC, a 32-bit compiler using BASIC syntax for DOS, Windows, and Linux

In music:

• FB (band), an electronic music collaboration of Benny Benassi and Ferry Corsten
• F♭ (musical note)

In literature:

• FB means feedback

In science and technology:

• Fast busy, or Reorder tone, a type of telephone signal
• Fine business, a common amateur radio slang term
• Fluidized bed, a special technology used in energy, reactor, chemical engineering etc.
• Hyundai FB, a series of buses manufactured by Hyundai Motor Company
• fb or femtobarn, a small unit of area used in high energy physics

In other uses:

• Farmers Branch, Texas, a suburb of Dallas
• Firebase, an artillery encampment
• Friendship book, a booklet swapped amongst pen pals
• Fairfield Bridge, a bridge in New Zealand
• Bulgaria Air's IATA code