Colesdale Park is a hamlet in the Canadian province of Saskatchewan. It is adjacent to North Colesdale Park on the eastern shore of Last Mountain Lake in the Rural Municipality of McKillop No. 220.
In the 2021 Census of Population conducted by Statistics Canada, Colesdale Park had a population of 25 living in 14 of its 55 total private dwellings, a change of from its 2016 population of 20. With a land area of , it had a population density of in 2021.