Nichinan (日南町 Nichinan-chō) is a town located in Hino District, Tottori Prefecture, Japan. As of 2012, the town had an estimated population of 5,250 and a density of 15.4 persons per km². The total area is 340.87 square kilometres (131.61 sq mi), representing 10% of the total area of Tottori Prefecture, and making it the largest administrative district in the prefecture. 90% of the town is covered by forest, and 5% of the land is arable. Areas of Nichinan are part of Hiba-Dogo-Taishaku Quasi-National Park.