The Rural Municipality of Sliding Hills No. 273 (2016 population: ) is a rural municipality (RM) in the Canadian province of Saskatchewan within Census Division No. 9 and Division No. 4.
The RM of Sliding Hills No. 273 incorporated as a rural municipality on January 1, 1913.
There are three historical buildings located within the RM.
In the 2021 Census of Population conducted by Statistics Canada, the RM of Sliding Hills No. 273 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 Sliding Hills No. 273 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 Sliding Hills No. 273 is governed by an elected municipal council and an appointed administrator that meets on the second Monday of every month. The reeve of the RM is Harvey Malanowich while its administrator is Todd Steele. The RM's office is located in Mikado.
Passenger rail service is provided to the RM by Via Rail at Mikado station.