Mimoides xynias is a species of butterfly in the family Papilionidae.

Forewing with large pale green area at the hindmargin; hindwing acutely dentate, with short, narrow tail and a few red discal spots posteriorly.

— Eastern slopes of the Andes of Bolivia and Peru.

Forewing narrower in the middle than in harmodius, the hindmargin shorter, a white spot at the hindmargin, not extending to the 2. median; hindwing triangular, sharply dentate, with 2 to 4- red spots from the hindmargin forwards, the posterior spot the largest.

Beneath the white hindmarginal spot of the forewing is longer than in all the forms of harmodius.