| Term | Full Form | Category |
|---|---|---|
| BYN | Bader Yakaitis Nonnenmacher | Others |
| BYN | Barium Ytterbium Niobate | Others |
| BYN | Bayankhongor, Mongolia | Others |
| BYN | Belarusian rouble, the national currency in Belarus a post 2016. | Others |
| BYN | Blanco y Negro | Others |
| BYN | Break Your Neck | Others |
| BYN | British Yukon Navigation | Others |
| BYN | Build Your Network | Others |