| Named By: | R. R. Reisz & J. Frobisch in 2014 |
| Time Period: | Late Carboniferous, 300 Ma |
| Location: | USA, Kansas - Calhouns Shale Formation |
| Size: | Uncertain due to lack of remains as well as the fact that only remains of a juvenile are known |
| Diet: | Uncertain, refer to main text |
| Fossil(s): | Partial skull and post cranial skeleton of a juvenile |
| Classification: | | Chordata | Syanpsida | Caseasauria | Caseidae | |
Eocasea is an extinct genus of caseid synapsid from the Late Pennsylvanian of Kansas. It is known from a single type species, Eocasea martini.