The Bournemouth Symphony Orchestra (BSO) is an English orchestra with a remit to serve the South and South West of England. Founded in 1893, the BSO has developed a reputation as one of the UK's major orchestras and has worked with many of the world's leading composers, conductors and performers. Originally based in Bournemouth, the BSO moved its offices to the adjacent town of Poole in 1979.

The Orchestra has worked with an esteemed array of Principal Conductors including Sir Dan Godfrey, Rudolf Schwarz, Constantin Silvestri, Paavo Berglund, Andrew Litton and Marin Alsop, with Kirill Karabits the incumbent. It is resident at The Lighthouse, Poole, with other major concert series given at Portsmouth Guildhall, the Great Hall of Exeter University and Colston Hall in Bristol. Shorter series are also given in Bournemouth (Pavilion Theatre) and Basingstoke.