| Ohio Shale | |
| Type: | Formation |
| Age: | Late Devonian Frasnian ~ |
| Period: | Late Devonian |
| Prilithology: | shale |
| Region: | Ohio |
| Country: | United States |
| Subunits: | Cleveland Shale Chagrin Formation Huron Shale |
| Underlies: | Bedford Shale, Berea Sandstone, and Cussewago Sandstone |
| Overlies: | Java Formation and Olentangy Shale |
The Ohio Shale is a geologic formation in Ohio. It preserves fossils dating back to the Devonian period.