Souris Valley No. 7 is a rural municipality in the Canadian province of Saskatchewan. It is located in southeastern Saskatchewan and is within SARM Division No. 1 and Census Division No. 2. Its population was 230 as of the 2006 Census.
The southern boundary of the RM is the United States border at Divide County, North Dakota.
According to the Canada 2006 Census, Souris Valley No. 7 has a population of 230 people, a change of -29.4% from 2001. It has a total of 117 private dwellings, 100 of which are occupied by usual residents. It has an area of 817.52 square kilometres (315.65 sq mi) and a population density of 0.3 inhabitants per square kilometre (0.78/sq mi).
Coordinates: 49°07′50″N 103°49′14″W / 49.13056°N 103.82056°W