Mendham (2016 population: 30) is a village in the Canadian province of Saskatchewan within the Rural Municipality of Happyland No.

Mendham incorporated as a village on April 1, 1930.

[5] In the 2021 Census of Population conducted by Statistics Canada, Mendham had a population of 25 living in 12 of its 17 total private dwellings, a change of -16.7% from its 2016 population of 30.

[8] In the 2016 Census of Population, the Village of Mendham recorded a population of 30 living in 14 of its 20 total private dwellings, a -16.7% change from its 2011 population of 35.

With a land area of 0.5 km2 (0.19 sq mi), it had a population density of 60.0/km2 (155.4/sq mi) in 2016.