| Marion County Courthouse | |
| Coordinates: | 39.7083°N -91.3642°W |
| Mapframe: | yes |
| Mapframe-Marker: | building |
| Mapframe-Zoom: | 12 |
| Mapframe-Caption: | Interactive map showing the location of Marion County Courthouse |
| Architect: | James Oliver Hogg |
| Builder: | Menke & Son |
| Architecture: | Classical Revival |
| Added: | October 22, 2002 |
| Area: | less than one acre |
| Refnum: | 02001194 |
Marion County Courthouse is a historic courthouse located at Hannibal, Marion County, Missouri. It was built in 1901, and is a two-story, rectangular, Classical Revival style limestone building. It features an octagonal drum dome topped by an octagonal lantern towering above the two-story portico with four Corinthian order columns.[1]
It was added to the National Register of Historic Places in 2002.