Megalopyge obscura is a moth of the Megalopygidae family.

It is found in French Guiana.

The wings are light greyish brown, the forewings with a broad, diffuse, dark brown postmedial shade, partly edged by wavy whitish lines.

There is a black spot at the base and a subterminal black spot at vein 7.

This article relating to the superfamily Zygaenoidea is a stub.