The Somerset Military Museum is part of the Museum of Somerset located in the 12th century great hall of Taunton Castle, in Taunton, Somerset. It is a "registered and accredited museum" with the British Museums, Libraries, and Archives Council, and is a part of the Museum of Somerset. The museum covers Somerset's military history from 1685 onward. It received a £10,000 grant from the Somerset Military Museum Trust for the restoration project.

The Museum of Somerset is located in the 12th-century great hall of Taunton Castle, in Taunton in the county of Somerset, England. The museum is run by South West Heritage Trust, an independent charity, and includes objects initially collected by the Somerset Archaeological and Natural History Society who own the castle.