Little Shuswap Lake is a small lake in the Thompson River basin of the southern Interior of British Columbia, Canada, which sits at the transition between the Thompson Country to the west and the Shuswap Country to the east. It is fed by the Little River, which flows from Shuswap Lake, and is the main source of water for the South Thompson River, which begins at the lake's outlet at its southwestern end. The lake is approximately 7.8 km in length, NE to SW, and averages 2.4 km in width and is approximately 18 km² in area.