Minaminasu (南那須町, Minaminasu-machi) was a town located in Nasu District, Tochigi Prefecture, Japan.
As of 2003, the town had an estimated population of 13,128 and a density of 160.96 persons per km2. The total area was 81.56 km2.
On October 1, 2005, Minaminasu, along with the town of Karasuyama (also from Nasu District), was merged to create the city of Nasukarasuyama and no longer exists as an independent municipality.[1]