| Sunbury Shale | |
| Type: | Formation |
| Age: | Tournaisian[1] |
| Period: | Tournaisian |
| Region: | Appalachia, Midwestern United States and Southeastern United States |
| Country: | United States |
| Unitof: | Waverly Group |
| Underlies: | Coldwater Shale, Cuyahoga Formation, and Price Formation |
| Overlies: | Berea Sandstone and Ellsworth Shale |
| Extent: | Michigan, Ohio, Virginia, and West Virginia |
The Sunbury Shale is a geologic formation in Michigan. It preserves fossils dating back to the Mississippian period.