Gymnodoris rubropapulosa is a species of colourful sea slug, a dorid nudibranch, a marine gastropod mollusk in the family Polyceridae.

[1][2] This species is known from the tropical Indo-Pacific Ocean.

Gymnodoris rubropapulosa is a large dorid nudibranch up to 60 mm in length.

It has a white body covered with many orange spots, an orange mantle-edge and orange-lined rhinophores.

This Polyceridae-related article is a stub.