Roboastra rubropapulosa is a species of sea slug, a polycerid nudibranch, a marine gastropod mollusc in the family Polyceridae.

[2] This species was described from Pulu Pasi Tanette, Sulawesi, Indonesia, 5°45′22″S 120°29′21″E / 5.756238°S 120.489166°E / -5.756238; 120.489166.