The John J. Glessner House, operated as the Glessner House Museum, is an important 19th-century residence located at 1800 S. Prairie Avenue, Chicago, Illinois. It was designed in 1885-1886 by architect Henry Hobson Richardson and completed in late 1887. The property was designated a Chicago Landmark on October 14, 1970. The site was listed in the National Register of Historic Places on April 17, 1970 and as a National Historic Landmark on January 7, 1976.