| Acronym | Definition |
|---|
| BNC | Bayonet Neill-Concelman (connector named for its inventors) |
| BNC | British National Corpus |
| BNC | Bouncer |
| BNC | Banque Nationale du Canada (National Bank of Canada) |
| BNC | Bibliothèque Nationale du Canada (National Library of Canada) |
| BNC | Brasenose College (Oxford) |
| BNC | Bayonet Nut Coupling |
| BNC | Ballet Nacional de Cuba |
| BNC | British Naval Connector |
| BNC | Bayonet Nut Connector |
| BNC | Berkeley Nucleonics Corporation |
| BNC | Bankruptcy Noticing Center |
| BNC | Bayonet Connector |
| BNC | Bayonet Navy Connector |
| BNC | Baby N Connector (chiefly US usage) |
| BNC | Banque Nationale de Crédit (French) |
| BNC | British National Connector |
| BNC | Banco Nacional de Crédito Imobiliário (Portuguese Bank) |
| BNC | Banque de Nouvelle Calédonie (French: Bank of New Caledonia; New Caledonia) |
| BNC | Binational Center (various locations) |
| BNC | Barrel Nut Connector (coaxial networking) |
| BNC | Byron Nelson Championship |
| BNC | BFC Construction (stock symbol) |
| BNC | Bethany Nazarene College (Oklahoma) |
| BNC | Bear Naked Chicago (Chicago, IL) |
| BNC | Bayonet Naur Connector |
| BNC | Boulder Nordic Club (Boulder, CO, USA) |
| BNC | Big North Conference (Michigan) |
| BNC | Budapest Neutron Centre (Budapest, Hungary) |
| BNC | Blair Network Communications |
| BNC | Base Neutralizing Capacity |
| BNC | British Nut Connector |
| BNC | Bollack Netter et Compagnie (French: Bollack Netter and Company; automobile company; Paris, France) |
| BNC | Bechtel Nevada Corporation |
| BNC | Bayonet N-Type Compact |
| BNC | Bibliothèque Nationale du Cambodge (French: National Library of Cambodia; Phnom Penh, Cambodia) |
| BNC | Burst Non-Coherent (Model) |
| BNC | Binary Network Connector |
| BNC | Basutoland National Council |
| BNC | Burst-Noise Channel |
| BNC | Bathymetric Navigation Chart |
| BNC | Bladder Neck Contracture/Closure (urology) |
| BNC | Ban-Cal Tri-State Corporation (former stock symbol; now de-listed) |
| BNC | Bibliothèque Numérique du Centre (French: Digital Library Center; Canada) |
| BNC | Blend Nucleonics Corp. (gaming clan) |
| BNC | Building Native Communities (financial education) |
| BNC | Bénéfices Non Commerciaux (French: Non-Commercial Profits; taxes) |
| BNC | Business Network Chicago (Chicago, IL) |
| BNC | Brand New Church (Harrison, AK) |