Manteno is a village in Kankakee County, Illinois, United States. The population was 8,575 in 2009. It is part of the Kankakee–Bradley Metropolitan Statistical Area and the Chicago–Naperville–Michigan City, IL-IN-WI Combined Statistical Area.
Manteno, Illinois is located approximately 50 miles (80 km) south of Chicago's loop. There is a combination of industrial and agricultural employers in town. Farmers Elevator Company of Manteno stands as the tallest site in town, with the ability to house 2 million bushels of corn or soybeans at any one time.
Manteno is home to Sears and K-Mart Distribution Centers, both of which contain 1.5 million square feet (140,000 m²) of warehouse area. The Diversatech Industrial Park is on the east side of town. It contains many diversified industrial plants and warehousing complexes.