Wikimedia Commons has media related to Courthouses on the National Register of Historic Places in Illinois.
Pages in category "Courthouses on the National Register of Historic Places in Illinois"
The following 47 pages are in this category, out of 47 total. This list may not reflect recent changes.
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- Macomb Courthouse Square Historic District
- McDonough County Courthouse
- McLean County Courthouse and Square
- Melvin Price Federal Building and United States Courthouse
- Mercer County Courthouse (Illinois)
- Metamora Courthouse State Historic Site
- Montgomery County Courthouse (Illinois)
- Monticello Courthouse Square Historic District
- Morgan County Courthouse (Illinois)
- Moultrie County Courthouse
- Mount Pulaski Courthouse State Historic Site
- Municipal Courts Building (Chicago, Illinois)