Belmont County Courthouse | |
 The Belmont County Courthouse in St. Clairsville, Ohio | |
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 Interactive map showing the location of Belmont County Courthouse | |
| Location | E. and W. Main St. between Butler and Sugar Sts., St. Clairsville, Ohio |
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| Coordinates | 40°4′50″N 80°54′6″W / 40.08056°N 80.90167°W |
| Built | 1885 |
| Architect | Yost, Joseph Warren |
| Architectural style | Second Empire |
| Part of | St. Clairsville Historic District (ID94000246) |
| Added to NRHP | March 17, 1994[1] |
The Belmont County Courthouse is located at 101 West Main Street in St. Clairsville, Ohio, United States. It sits on the highest point in the St. Clairsville area and is thus visible from Interstate 70 and many other points in the Ohio Valley. It is a contributing property in the St. Clairsville Historic District, which was added to the National Register of Historic Places in 1969.