| Acronym | Definition |
|---|
| BFL | Bass Fishing League (sponsored By Wal-Mart) |
| BFL | Butterfly Labs (Leawood, KS) |
| BFL | Bat for Lashes (musician) |
| BFL | Body for Life |
| BFL | Baltijos Fotografijos Linija (Lithuanian: Baltic Line Photography) |
| BFL | Bios Feature List |
| BFL | Buffer Warning Level |
| BFL | Bay Ferries Limited (Canada) |
| BFL | Bag for Life (environment) |
| BFL | Bharat Forge Ltd. (Pune, India) |
| BFL | Big Fat Liar |
| BFL | Breakfast for Learning (Canada) |
| BFL | Back Focal Length |
| BFL | Birds in Forested Landscapes (Cornell University program) |
| BFL | Brothers for Life |
| BFL | Bakersfield, CA, USA - Meadows Field (Airport Code) |
| BFL | Business/Foreign Language (various organizations) |
| BFL | Barbados Farms Ltd. |
| BFL | Big Fat Lotto (lottery) |
| BFL | Brain Functions Laboratory (Japan) |
| BFL | Brigade Française Libre (French: Free French Brigade) |
| BFL | Banned for Life |
| BFL | Break For Lunch |
| BFL | Bomb Fall Line |
| BFL | Buffered Field-Effect-Transistor Logic |
| BFL | Board Failure Light |
| BFL | Black Flag Labs (brand; UK) |
| BFL | Bursa Fen Lisesi (Turkey science school) |
| BFL | Breast Firm and Lactating |
| BFL | Bakery Future Lines (Italy) |
| BFL | Best Friend for Life |
| BFL | Beamforming Lens |
| BFL | Brian Farrington Ltd (UK) |
| BFL | Betwin Foodball League (France) |
| BFL | Bibliothèque Freudienne de Limoges (French psychology association; Limoges, France) |
| BFL | Bundesamt für Landestopografie (Swiss Federal Office of Topography) |