The Rural Municipality of Battle River No. 438 (2016 population: ) is a rural municipality (RM) in the Canadian province of Saskatchewan within Census Division No. 12 and Division No. 6.
The RM of Battle River No. 438 incorporated as a rural municipality on December 12, 1910.
The following urban municipalities are surrounded by the RM.
The following unincorporated communities are located within the RM.
The following Indian reserves are surrounded by the RM.
In the 2021 Census of Population conducted by Statistics Canada, the RM of Battle River No. 438 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 Battle River No. 438 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 Battle River No. 438 is governed by an elected municipal council and an appointed administrator that meets on the first Thursday of every month. The reeve of the RM is Stewart Mitchell while its administrator is Betty Johnson. The RM's office is located in Battleford.