| Acronym | Definition |
|---|
| BNR | Binary News Reader |
| BNR | Bandata Na Ruba (band) |
| BNR | Banca Nationala a României (National Bank of Romania) |
| BNR | Biological Nutrient Removal (sewage treatment) |
| BNR | Bell Northern Research |
| BNR | Bulgarian National Radio |
| BNR | Backup and Restore |
| BNR | Block Noise Reduction (file compression) |
| BNR | Body Not Recovered |
| BNR | Buy and Replace |
| BNR | But Not Really |
| BNR | Boysnoize Records |
| BNR | Burlington Northern Railroad |
| BNR | Bengal Nagpur Railway (now part of Eastern Railway) |
| BNR | Binary Number |
| BNR | Backus Naur Form (computing symbol) |
| BNR | Beam Non-Uniformity Ratio |
| BNR | Big Nerd Ranch |
| BNR | Broadband Noise Reduction (application) |
| BNR | Bénéfice Non Réparti (French: Non Profit Spread) |
| BNR | Bowen National Research (Pickerington, OH) |
| BNR | Bibliothèque Numérique en Réseau (French: Digital Library Network) |
| BNR | Boston Restaurant Associates, Inc. (former stock symbol; now delisted) |
| BNR | By Name Request |
| BNR | Bureau of Natural Resources |
| BNR | Bureau National de Renseignements (French: National Information Bureau) |
| BNR | Boeuf de Nos Régions (French cattle industry oversight group) |
| BNR | B-type Noise Reduction (Dolby Labs) |
| BNR | bladder neck resection |
| BNR | Build Not Received |
| BNR | Boyle Norman Roberts (band) |
| BNR | Big Nasty Rascal |
| BNR | Bird Nest Roys (band) |