Eudemis profundana, common name diamond-back marble, is a moth of the family Tortricidae.

The coloration is quite variable, ranging from dark brown to reddish, with greyish marbling and a large whitish dorsal patch.

The upper edge of this patch is not deeply indented and the basal fasciae are developed also dorsally.

These moths also show a raised reddish-brown mane and unusual starry eyes.

Eudemis profundana lives in various habitats, mainly in the deciduous woodland, but also in gardens.