Manteno is a village in Kankakee County, Illinois, United States. The population was 9,210 at the 2020 census. It is part of the Kankakee-Bourbonnais-Bradley Metropolitan Statistical Area.

Illinois Route 50 is a 66.49-mile-long north–south state highway in northeastern Illinois. It runs from the junction with U.S. Route 45 and U.S. Route 52 in West Kankakee north to US 41 in Skokie. In