| Harrison County Courthouse | |
| Coordinates: | 38.3892°N -84.2978°W |
| Built: | 1851 |
| Added: | December 6, 1974 |
| Area: | 1acres |
| Refnum: | 74000880 |
| Nrhp Type2: | cp |
| Nocat: | yes |
| Designated Nrhp Type2: | October 19, 1982 |
| Partof Refnum: | 82001567 |
| Partof: | Cynthiana Commercial District |
The Harrison County Courthouse in Cynthiana, Kentucky is a Greek Revival-style courthouse building built in 1851. It was listed on the National Register of Historic Places in 1974.
Located at 100 Main Street, it was built and was perhaps designed by John Huddleston.[1]
It is a contributing building in the 1982 NRHP-listed Cynthiana Commercial District.