Minnesota State Highway 118 was a highway route number in the U.S. state of Minnesota that was used previously during two different time periods: once during the 1930s and once during the 1990s.
The 1930s route was located in Isanti and Kanabec counties in east-central Minnesota. The 1990s route was located in the northern suburbs of the Twin Cities in south-central Anoka County and northwest Ramsey County.