Tsuno is a town located in Takaoka District, Kōchi Prefecture, Japan. As of 1 August 2022, the town had an estimated population of 5,127 and a population density of 26 persons per km².The total area of the town is 197.85 square kilometres (76.39 sq mi).

Kōchi Prefecture is a prefecture of Japan located on the island of Shikoku. Kōchi Prefecture has a population of 669,516 and has a geographic area of 7,103 km2. Kōchi Prefecture borders Ehime Prefecture to the northwest and Tokushima Prefecture to the northeast.