| Minnekahta Formation | |
| Type: | Formation |
| Age: | Permian |
| Prilithology: | limestone |
| Region: | Wyoming, South Dakota |
| Country: | United States |
| Underlies: | Spearfish Formation |
| Overlies: | Opeche Shale |
The Minnekahta Formation is a geologic formation in Wyoming, United States. It preserves fossils dating back to the Permian period.