The Ibaraki Prefectural Museum of History (茨城県立歴史館 Ibaraki kenritsu rekishikan) is a local history museum in Mito, Ibaraki, Japan. It is one of Japan's many museums which are supported by a prefecture. The museum opened in September 1974. The collection focuses on the history of Ibaraki and the grounds also include a number of Edo-period farm buildings and examples of western-style Japanese architecture from the Meiji period. The collection also houses numerous artworks, historical artifacts and extensive documentation from the Tokugawa clan, who ruled Mito Domain during the Edo period.