Yamato (山都町, Yamato-chō) is a town in Kamimashiki District, Kumamoto Prefecture, Japan.

After the Meiji restoration, the town of Mamihara and villages of Sugao, Kashiwa, Komine and Hamamachi, Shimoyabe, Shiraito, Mitake, Nakajima, Naregawa, and Asahi were established with the creation of the modern municipalities system on April 1, 1889.

Yamato has a mayor-council form of government with a directly elected mayor and a unicameral town council of 14 members.

Yamato, collectively with the other municipalities of Kamimashiki District contributes two members to the Kumamoto Prefectural Assembly.

In terms of national politics, the town is part of the Kumamoto 3rd district of the lower house of the Diet of Japan.