Miyakonojō History Museum, History museum at Miyako Castle site, Miyakonojō, Japan.

The Miyakonojō History Museum is a wooden castle-style building on the honmaru site of Miyako Castle, the residence of the Hokugō (Miyakonojō Shimazu) clan. It has two floors plus a mezzanine, giving three levels, and a floor area of 860 m². Some 96% of its timber is cedar, including a 120-year-old pillar, and a tea house called Seizan-tei stands outside.

The museum opened in 1989 near the site of the former Miyako Castle, which functioned as a military fortress from the 14th century until the early 17th century. Its establishment reflected growing recognition of the region's historical importance and the need to preserve local heritage.

The museum displays the Kumaso dance, performed against the backdrop of Sekinoo Falls, alongside a life-size model of the falls' potholes. It also holds prayer votive masks, stone Buddhas and stone talismans (ishigantō), plus local performing-arts materials and folk tools.

The museum stands on the honmaru, the main enclosure of the former Miyako Castle. From Nishi-Miyakonojō Station on the JR Nippō Main Line it is about a 20-minute walk, and a bus stop is nearby. The tea house Shizan-tei sits outdoors on the grounds.

The building is a wooden two-storey structure with a mezzanine, giving it three levels over 860 m². Some 96% of its timber is cedar, 3% hinoki cypress and 1% other woods, and one main pillar comes from a 120-year-old tree. It was built as a Forestry Agency model wooden facility on the honmaru site of Miyako Castle.