Marion County Courthouse (Missouri)

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.

It was added to the National Register of Historic Places in 2002.