thumb|200px|Teshio District in Rumoi and Sōya Subprefecture.
is a district divided between Rumoi and Sōya Subprefectures, Hokkaido, Japan. At the end of 2009, the district has an estimated population of 13,937 and an area of 2039.11 km<sup>2</sup>, giving a population density of 6.83 persons per square kilometer.
In 2010, the town of Horonobe was transferred from Rumoi Subprefecture to Sōya Subprefecture.
Towns
Rumoi Subprefecture
- Enbetsu
- Teshio
Sōya Prefecture
- Horonobe
- Toyotomi