Cutbank River is a river in western Alberta, Canada. It is a major tributary of the Smoky River.
It originates in the boreal forest of the Rocky Mountains foothills, on the south-eastern flanks of Nose Mountain, and flows east into the Smoky River. Before emptying in the Smoky, it is crossed by Bighorn Highway. From its springs at , it falls to an elevation of at its mouth.
The river is known for northern pike, walleye and bull trout fishing.