The Bendigo Symphony Orchestra (BSO) is a regional Australian semi-professional orchestra based in Bendigo, Victoria.
The orchestra was formed in 1981 as a result of the Music 81 Project of the Victoria State Government, and was the successor of the Bendigo Concert Orchestra.
The inaugural concert was held on 20 September 1981 at the J. B. Osborne Theatre of Crusoe College at Kangaroo Flat and was conducted by John Hopkins.