| Acronym | Definition |
|---|
| FB➣Football |
| FB➣Facebook (website) |
| FB➣Feedback |
| FB➣Friends with Benefits |
| FB➣Flashback |
| FB➣Fantasy Baseball |
| FB➣Fantastic Beasts (series) |
| FB➣Fenerbahce (Turkish Soccer Team) |
| FB➣Fenerbahce (Turkey) |
| FB➣Fireball (gaming) |
| FB➣Fly-By |
| FB➣From Below |
| FB➣Fachbereich |
| FB➣Fullback |
| FB➣Firebird |
| FB➣Fiber Board |
| FB➣Flat Bed |
| FB➣Full Bath |
| FB➣Fishing Boat |
| FB➣Fruits Basket (anime) |
| FB➣Frostbite |
| FB➣Final Battle (gaming) |
| FB➣Farm Bureau |
| FB➣Final Boss (gaming clan) |
| FB➣Foreign Body |
| FB➣Foosball |
| FB➣Frederiksberg (Danish railway station) |
| FB➣Full Board (hospitality industry) |
| FB➣Ferris Bueller (movie character) |
| FB➣Footbridge (UK maps) |
| FB➣Flat Bar |
| FB➣Fire Base |
| FB➣Fat Bastard |
| FB➣Fighter Bomber |
| FB➣Federal Building |
| FB➣Fresno Bee (newspaper) |
| FB➣Fly Ball (baseball) |
| FB➣Fast Break |
| FB➣Frame Buffer |
| FB➣Fallback |
| FB➣Bulgaria Air (airline code) |
| FB➣Flashbang |
| FB➣Fun Buddy (polite form) |
| FB➣Fuse Block |
| FB➣Frank Black (musician) |
| FB➣Foul Ball |
| FB➣Fuse Board |
| FB➣Fully Built (rebuild engine with aftermarket parts, generally high power output) |
| FB➣Fast Busy |
| FB➣Fozzie Bear (The Muppet Show character) |
| FB➣Full Bridge |
| FB➣Fringe Benefit |
| FB➣Frauenbeauftragte (German: Women's Assembly) |
| FB➣Fusebox (web application framework) |
| FB➣Fixed Bridge |
| FB➣Fine Business (morse code used by ham radio operators) |
| FB➣Friendship Book (swapping) |
| FB➣Frostburn (roleplaying games, Dungeons & Dragons) |
| FB➣Fire Break |
| FB➣Fluxbox (Unix/Linux window manager) |
| FB➣Felügyelo Bizottság (Hungarian: Supervisory Board) |
| FB➣First Blood (gaming clan) |
| FB➣Federal Bank Ltd. (India) |
| FB➣Fenian Brotherhood |
| FB➣FoxBox |
| FB➣Fiber-Optic Backbone |
| FB➣Fixed Block |
| FB➣Furnace Brazing |
| FB➣Firing Battery |
| FB➣Finger Breadth |
| FB➣Feature Board (Cisco) |
| FB➣Facility-Based |
| FB➣Freight Bill |
| FB➣Finance Bureau (Hong Kong) |
| FB➣Farum Boldklub (Danish soccer club) |
| FB➣Framing Bit |
| FB➣Financing Bill |
| FB➣Board Feet (Canada) |
| FB➣Facilities Based |
| FB➣Farmacia Batres (Guatemalan drug store) |
| FB➣Farrel-Birmingham (US Navy) |
| FB➣Forward Boundary |
| FB➣Finance Battalion |
| FB➣FinalBurn (arcade game emulator) |
| FB➣Fire Builder (Mic-O-Say, Heart of America Council, Boy Scouts of America) |
| FB➣Facilities Board |
| FB➣Firebat (Starcraft game) |
| FB➣Fire Bush |
| FB➣Fast Broadcasting |
| FB➣Furukawa Battery Co. Ltd. (Japan) |
| FB➣Fatty Bombatty (font) |
| FB➣Funbots (QuakeNet gaming) |
| FB➣Foolish Buyer (real estate) |
| FB➣Fauve de Bourgogne (rabbit breed) |
| FB➣Failure Biasing |
| FB➣Frontline Brothers (gaming clan) |
| FB➣Four-way Box |
| FB➣Farside Blues |