Location of Teshio Province c. 1869.
Teshio Province (天塩国 Teshio no kuni) was a short-lived province located in Hokkaidō, corresponding to all of modern-day Rumoi Subprefecture and the northern half of Kamikawa Subprefecture.
After 1869, the northern Japanese island was known as Hokkaido; and regional administrative subdivisions were identified, including Teshio Province.
- August 15, 1869 Teshio Province established with 6 districts
- 1872 Census finds a population of 1,576
- 1882 Provinces dissolved in Hokkaidō