Oenomaus gwenish is a species of butterfly of the family Lycaenidae.

It is probably a lower montane species, so far known only from wet forest at 1,000 meters elevation in Darién, Panama.

[1] The length of the forewings is 20 mm for females.

The species is named for entomologist Dr. Jennifer (Gwen) Shlichta.

This Eumaeini-related article is a stub.