| Bilbao Orkestra Sinfonikoa (BOS) | |
|---|---|
| Orchestra | |
 Official logo | |
| Founded | 1922 |
| Principal conductor | Erik_Nielsen_(conductor) |
| Website | bilbaorkestra |
Bilbao Orkestra Sinfonikoa (BOS) (Spanish: Orquesta Sinfónica de Bilbao, unofficial English translation: Bilbao Symphony Orchestra) is a symphony orchestra based in Bilbao, Basque Country.