FB

FB, Fb, or fb may refer to:

==Arts and media== F♭ (musical note) FB (band), an electronic music collaboration of Benny Benassi and Ferry Corsten Facebook, a social networking website, also known as FB.com Meta Platforms, formerly Facebook Inc (Nasdaq: FB), parent company of Facebook Friendship book, a booklet swapped amongst pen pals Frostbite (game engine), a video game engine FB, known as Trucksy in the US, an old green pickup truck from Roary the Racing Car Fat Bastard, a character in Austin Powers films