The Rural Municipality of Happyland No. 231 (2021 population: ) is a rural municipality (RM) in the Canadian province of Saskatchewan within Census Division No. 8 and Division No. 3. Located in the southwest portion of the province, it is adjacent to the Alberta boundary and south of the South Saskatchewan River.
On January 1, 1913, the RM of Happyland No. 231 became a rural municipality. It was originally named the RM of Prussia No. 231 but its name was changed sometime during 1917, at the height of the First World War and anti-German sentiment in Saskatchewan.
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 Happyland No. 231 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 Happyland No. 231 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 Happyland No. 231 is governed by an elected municipal council and an appointed administrator that meets on the second Tuesday of every month. The reeve of the RM is Anthony Wagner while its administrator is Kim Lacelle. The RM's office is located in Leader.