County State-Aid Highway 81, also known as County Road 81, (County 81) is a county highway in Hennepin County, Minnesota, which runs from its interchange with Interstate 94 (I-94), CR 66, and CR 152 (Washington Avenue North) in the city of Minneapolis, and continues northwest to its terminus at Main Street (State Highway 101, MN 101) in suburban Rogers. CR 81 is approximately 20 miles (32 km) long.