Mendham (2016 population: ) is a village in the Canadian province of Saskatchewan within the Rural Municipality of Happyland No. 231 and Census Division No. 8.
Mendham incorporated as a village on April 1, 1930.
In the 2021 Census of Population conducted by Statistics Canada, Mendham 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 Village of Mendham 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.