| Acronym | Definition |
|---|
| BNO | Baltic Neopolis Orchestra (Szczecin, Poland) |
| BNO | Big Night Out |
| BNO | Beroepsorganisatie Nederlandse Ontwerpers |
| BNO | Boys' Night Out (band) |
| BNO | Boyz Nite Out |
| BNO | Bau- und Nutzungsordnung |
| BNO | Bank of New Orleans (Louisiana) |
| BNO | Bladder Neck Obstruction |
| BNO | Baksan Neutrino Observatory |
| BNO | Base Nautique de l'Ouest |
| BNO | Bus Nut Online |
| BNO | Norleucine Boronic Acid |
| BNO | Bowels Not Opened |
| BNO | Bulgarian National Observatory |
| BNO | BranchenNachweis Online |
| BNO | Benton Oil and Gas Company (stock symbol) |
| BNO | Burns Municipal Airport, Burns, Oregon (airport code) |
| BNO | Bowel Not Open |
| BNO | Blue Note Orchestra |
| BNO | Brown Normal (brewing chemistry) |
| BNO | Broadway Night Out |
| BNO | Buyer Number |
| BNO | British National (Overseas) [also seen as BN(O)] |
| BNO | Betegsegek Nemzetkozi Osztalyozasa (Hungarian: International Classification of Diseases) |