Souris was a provincial electoral district for the Legislative Assembly of the province of Saskatchewan, Canada. This district was one of 25 created for the 1st Saskatchewan general election in 1905. The constituency was dissolved and combined with the Estevan district (as Souris-Estevan) before the 8th Saskatchewan general election in 1934.
It is now part of the provincial constituencies of Estevan and Cannington.
Souris – Northwest Territories territorial electoral district (1870–1905).
Coordinates: 49°35′N 103°00′W / 49.583°N 103.000°W