| Acronym | Definition |
|---|
| BFB | Battle for BFDI (Battle for Dream Island; gaming) |
| BFB | Best Friend's Brother |
| BFB | Biofeedback (medical care) |
| BFB | Bacterial Fruit Blotch (disease) |
| BFB | Beer for Breakfast |
| BFB | Bubbling Fluidized Bed |
| BFB | Bundesverband der Freien Berufe (German: Federal Association of Liberal Professions) |
| BFB | Business and Finance Bulletin (various schools) |
| BFB | Best Friend with Benefits |
| BFB | Big Fat Ballon |
| BFB | Bromofluorobenzene |
| BFB | Blood for Blood (Band) |
| BFB | Best Friend's Boyfriend |
| BFB | Broken Family Band |
| BFB | Bush Fire Brigade (Australia) |
| BFB | Bertrand, Foucher, Bélanger (religious supply company; Canada) |
| BFB | Battlefield Brothers (gaming community) |
| BFB | Barefoot Bay (Florida) |
| BFB | Bringing Families Back (Las Vegas, NV) |
| BFB | Balanced Failure Biasing |
| BFB | Biker Friendly Bar |
| BFB | Broad Flange Beam |
| BFB | Big Freakin' Baby (polite form) |
| BFB | Beads for Boobs (Mardi Gras) |
| BFB | BASF (Badische Anilin und Soda Fabrik) Future Business (Germany) |
| BFB | Bike Freaking Bike (polite form; slang for any large displacement motorcycle) |
| BFB | Brutal Floating Behemoth (video game character; Bloons Tower Defense) |
| BFB | Big Fat Bummer (Internet slang) |