The Rural Municipality of Livingston No. 331 (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 Livingston No. 331 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 Livingston No. 331 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 Livingston No. 331 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 Livingston No. 331 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 currently vacant while its administrator is Kelly Kim Rea. The RM's office is located in Arran.