was a town located in Nasu District, Tochigi Prefecture, Japan.
As of 2003, the town had an estimated population of 8,694 and a density of 45.74 persons per km2. The total area was 190.07 km2.
On January 1, 2005, Shiobara, along with city of Kuroiso, and the town of Nishinasuno (also from Nasu District), was merged to create the city of Nasushiobara.