Greta libethris, the Libethris clearwing, is a day active ithomiine butterfly from the subfamily Ithomiinae.

Greta libethris has a wingspan of about 55–57 millimetres (2.2–2.2 in).

Wings are transparent with brown margins and yellow cross bars on the forewings.

This species can be found in Venezuela, Bolivia, Colombia and Peru.

This Danainae article is a stub.