| Acronym | Definition |
|---|
| BN | Brunei (top level domain name) |
| BN | Billion |
| BN | Barnes and Noble (Internet) |
| BN | Biblioteca Nacional (Brazil) |
| BN | Between (logging abbreviation) |
| BN | Brushed Nickel (bathroom fixtures) |
| BN | Benin |
| BN | Burlington Northern (railroad) |
| BN | Brand New (band) |
| BN | But Not .... |
| BN | Battalion |
| BN | Baron |
| BN | Bonn (Bonn, Germany) |
| BN | Brighton (UK postal code) |
| BN | Beacon |
| BN | Boron Nitride |
| BN | Banco Nacional (Costa Rican National Bank) |
| BN | Buffalo News (newspaper) |
| BN | Britten-Norman (aircraft manufacturer; UK) |
| BN | Background Noise |
| BN | Bachelor of Nursing |
| BN | Be Nice |
| BN | Bandai Namco (gaming magazine) |
| BN | Brown Norway (rat breed) |
| BN | Broadband Network |
| BN | Bibliothèque Nationale (French: National Library) |
| BN | Block Number |
| BN | Bureau of Narcotics |
| BN | Briefing Note |
| BN | Binary Number |
| BN | Bulimia Nervosa |
| BN | Business Number (Canada) |
| BN | Blackmore's Night (band) |
| BN | Battle Net (gaming server) |
| BN | Bossa Nova |
| BN | Broadcast News |
| BN | Braniff International Airways (1928-1992) |
| BN | Bekende Nederlander (Dutch) |
| BN | Bank Note |
| BN | Before Noon |
| BN | The Birmingham News (newspaper) |
| BN | Benevento, Campania (Italian province) |
| BN | Barisan National (National Front, Malaysia) |
| BN | Backbone Network |
| BN | Behavioral Neuroscience (psychology) |
| BN | Bangladesh Navy |
| BN | Bridge Number (IEEE) |
| BN | Bombardier/Navigator |
| BN | Boardnation.com (website) |
| BN | Boundary Neutral |
| BN | Biscuiterie Nantaise (confectionary company) |
| BN | Banaadir (postal region, Somalia) |
| BN | Benzyl group (chemistry) |
| BN | Brief Nudity (TV rating) |
| BN | Billing Number |
| BN | Boycott Novell (blog) |
| BN | Big Noob (gaming) |
| BN | Bechtel, Nevada |
| BN | Border Node |
| BN | Before Note |
| BN | Bradley Nowell (late lead singer for Sublime) |
| BN | Beer Nut |
| BN | Ballistic Number (w/CDA) |
| BN | Notaire Bernois (French) |
| BN | Beam Number |
| BN | Bio Nightmare (game) |
| BN | Bobliotheque Nationale (Paris) |
| BN | Broadcast Number |