| Cincinnati Group | |
| Type: | Group |
| Age: | Late Ordovician |
| Period: | Late Ordovician |
| Underlies: | Cataract Group, Manitoulin Dolomite Queenston Shale |
| Overlies: | Point Pleasant Formation and Trenton Group |
The Cincinnati Group is a geologic group in Kentucky, Ohio and Indiana. It is Upper Ordovician.