The Rural Municipality of Insinger No. 275 (2016 population: ) is a rural municipality (RM) in the Canadian province of Saskatchewan within Census Division No. 9 and Division No. 4. It is located in the east-central portion of the province.
The RM of Insinger No. 275 incorporated as a rural municipality on January 1, 1913.
The following urban municipalities are surrounded by the RM.
The following unincorporated communities are within the RM.
In the 2021 Census of Population conducted by Statistics Canada, the RM of Insinger No. 275 had a population of living in of its total private dwellings, a change of from its 2016 population of . With a land area of , it had a population density of in 2021.
In the 2016 Census of Population, the RM of Insinger No. 275 recorded a population of living in of its total private dwellings, a change from its 2011 population of . With a land area of , it had a population density of in 2016.
The RM of Insinger No. 275 is governed by an elected municipal council and an appointed administrator that meets on the second Wednesday of every month. The reeve of the RM is Willy Zuchkan while its administrator is Sonya Butuk. The RM's office is located in Insinger.