Opsiphanes cassina, the split-banded owlet, is a species of butterfly belonging to the family Nymphalidae.

Opsiphanes cassina has a wingspan of about 70 mm, with a smaller size in males. The uppersides of the wings are dark brown, with yellow-orange bands crossing the forewings and the edges of the hindwings. The undersides of the wings are also brown, with some large eyes. Adults of this species are active for only about ten days, in which they have to feed, mate and lay their eggs. Larvae feed on Cocos nucifera, Livistona species, Acrocomia vinifera, Bactris guineensis, Erythrea salvadorensis and Roystonea regia, they are dangerous defoliator of the oil palm also.

This species occurs from Mexico to the Amazon basin.