Isle Lake (also called Lake Isle) is a medium-sized lake in central Alberta, Canada. It is located about 80 km west of the city of Edmonton. The lake is fed by the Sturgeon River which eventually flows into the North Saskatchewan River.

Fish species that can be found in the lake include walleye, northern pike, yellow perch, lake whitefish and burbot.

Some settlements around the lake area:

The lake has many islands.