Belle Plaine (2016 population: ) is a village in the Canadian province of Saskatchewan within the Rural Municipality of Pense No. 160 and Census Division No. 6. Belle Plaine is located on Highway 1 (also known as the Trans Canada Highway), 21 kilometres east of the City of Moose Jaw in south-central Saskatchewan. Buffalo Pound Provincial Park and Regina Beach are located near Belle Plaine.
Belle Plaine incorporated as a village on August 12, 1910.
In the 2021 Census of Population conducted by Statistics Canada, Belle Plaine 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 Belle Plaine 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.