| Acronym | Definition |
|---|
| NBF | National Bank Financial |
| NBF | National Business Furniture |
| NBF | Norsk Bibliotekforening |
| NBF | National Bank of Fujairah (Abu Dhabi, United Arab Emirates) |
| NBF | Netbeui Frame Protocol |
| NBF | Nippon Building Fund (Japan) |
| NBF | Norges Blindeforbund |
| NBF | Neutral Buffered Formalin |
| NBF | National Biosafety Framework |
| NBF | Norfolk Broads Forum (UK) |
| NBF | National Benefit Fund |
| NBF | National Book Foundation |
| NBF | New Best Friend |
| NBF | National Book Festival |
| NBF | Normal Ballast Factor (fluorescent lighting) |
| NBF | Nätverksbaserade Försvaret (Swedish: Network-Based Defense) |
| NBF | Never Been Fired (firearms) |
| NBF | NetBIOS Frame |
| NBF | Nucleotide Binding Fold |
| NBF | Norges Bilbransjeforbund |
| NBF | Norges Bilbransjeforbund (Norwegian Marine Industries Federation) |
| NBF | Nederlandse Bowling Federatie |
| NBF | National Bank of Fiji |
| NBF | Norsk Botanisk Forening |
| NBF | Norsk Bridgeforbund |
| NBF | National Bed Federation |
| NBF | National Blood Foundation |
| NBF | Notodden Blues Festival |
| NBF | National Boating Federation |
| NBF | Nederlandse Beroepsvereniging van Film- en Televisiemakers (Association for Film and Television Makers) |
| NBF | Nerve Blood Flow |
| NBF | Not Being Funny |
| NBF | National Board of Fisheries (Sweden) |
| NBF | Napier Brown Foods (UK) |
| NBF | National Birman Fanciers |
| NBF | Norges Biloppsamleres Forening |
| NBF | National Board of Forestry |
| NBF | Neutral Buoyancy Facility (NASA) |
| NBF | Norme di Buona Fabbricazione (Italian: Good Manufacturing Practice GMP) |
| NBF | Namibian Basketball Federation |
| NBF | New Boston Fund |
| NBF | National Buffalo Foundation (aka National Bison Association; Westminster, CO) |
| NBF | No Best Friend |
| NBF | Nigerian Business Forum |
| NBF | Natural Born Fraggers (gaming clan) |
| NBF | Natural Bitch Face |
| NBF | National Bhikkhu Front |
| NBF | Norsk Barnelegeforening |
| NBF | North Bank Forum |
| NBF | Norwegian Business Forum |
| NBF | Nederlandse Bieten Federatie |
| NBF | Neurobiofeedback (The Institute) |
| NBF | Northern Business Forum (UK) |
| NBF | Norsk Bartender Forening (Norwegian) |
| NBF | National Bladder Foundation |
| NBF | Neurobehavioral Functioning |
| NBF | Nigeria Best Forum |
| NBF | Norman Beaton Fellowship |
| NBF | Nonbank Financial |
| NBF | New Bosnia Fund |
| NBF | Netherlands Bowling Federation |
| NBF | Norges Bedriftsrådgiverforening |
| NBF | Nothing But Fun |
| NBF | National Bonsai Foundation, Inc. (non-profit organization supporting the National Bonsai & Penjing Museum at the US National Arboretum) |
| NBF | Nationaal Bibliotheek Fonds |
| NBF | New Brothers Fellowship |
| NBF | National Balloon Facility |
| NBF | Nachrichtenbaufahrzeug |
| NBF | Narrow Bridge Farm (Ithaca, New York) |
| NBF | New Balance Foundation |
| NBF | Nasionale Bemagtigingsforum |
| NBF | New Building Factory |
| NBF | Nippon Bowler's Federation (Japan) |
| NBF | National Braille Factory |
| NBF | Beacon Frequency |
| NBF | Nasal Blood Flow |
| NBF | Norsk Bygdesag Forening |
| NBF | Northside Bible Fellowship |
| NBF | Norwegian Bridge Festival |
| NBF | Northern Beaches Flyers |
| NBF | No Boss Freedom |
| NBF | National Benefit and Pension Fund |
| NBF | National Bullying Forum |
| NBF | Northern Beaches Flyers (Sydney, Australia) |
| NBF | Network Bootable Floppy |
| NBF | National Best Foods (Canada) |
| NBF | Niet Te Benoemen Factor |