Buena Vista (2016 population: ) is a village in the Canadian province of Saskatchewan within the Rural Municipality of Lumsden No. 189 and Census Division No. 6. The village is located north-west of Regina, on the southern shore of Last Mountain Lake just off Highway 54. It is bounded to the west by Regina Beach, demarcated by 16 Street.
Buena Vista incorporated as a village on November 18, 1983.
In the 2021 Census of Population conducted by Statistics Canada, Buena Vista 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 Buena Vista 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.