The Orendorf Site is a site on the National Register of Historic Places in the U.S. state of Illinois. It is located near Fulton County's largest city, Canton. The site joined the Register in 1977. The Orendorf Site is the site of a late prehistoric Mississippian village and is preserved as an archaeological asset. It is one of many Registered Historic Places that the Register considers "address restricted." It is one of four Registered Historic Places in the city of Canton; others include the Parlin Library and the Chicago, Burlington & Quincy Railroad Station.