Eau Claire River is the name of several rivers in North America, including:

Three rivers in Wisconsin in the United States: Eau Claire River (Chippewa River tributary), a tributary of the Chippewa River Eau Claire River (St. Croix River tributary), a tributary of the St. Croix River (Wisconsin-Minnesota) Eau Claire River (Wisconsin River tributary), a tributary of the Wisconsin River

See also Eau Claire (disambiguation)