Horseshoe Bay is a hamlet in the Canadian province of Saskatchewan. It is on the western shore of Turtle Lake surrounded by the Thunderchild 115C Indian reserve.
In the 2021 Census of Population conducted by Statistics Canada, Horseshoe Bay had a population of 90 living in 46 of its 170 total private dwellings, a change of from its 2016 population of 37. With a land area of , it had a population density of in 2021.