| Conewango Group | |
| Type: | Group |
| Age: | Carboniferous ~Kasimovian-Gzhelian ~ |
| Prilithology: | Shale and Clay |
| Otherlithology: | Coal, Limestone, Red Shale, Sandstone |
| Region: | ,, and |
| Subunits: | Casselman Formation, Glenshaw Formation |
| Underlies: | Monongahela Group |
| Overlies: | Allegheny Group |
The Conewango Group is a Carboniferous aged geologic group in Western and south central Pennsylvania. It consists of two formations the younger Casselman Formation and the older Glenshaw Formation.