| Tanners Creek Formation | |
|---|---|
| Stratigraphic range: Ordovician | |
| Type | Formation | 
| Location | |
| Region | Indiana | 
| Country | United States | 
The Tanners Creek Formation is a geologic formation in Indiana. It preserves fossils dating back to the Ordovician period.
The formation takes its name from Tanners Creek, a tributary of the Ohio River.