Goniobranchus multimaculosus is a species of colourful sea slug, a dorid nudibranch, a marine gastropod mollusc in the family Chromodorididae. This species was transferred from Chromodoris to Goniobranchus in 2012.
Goniobranchus multimaculosus is a chromodorid nudibranch with a pink, spotted mantle. The middle of the mantle is pink with fine white specks and an irregular scattering of bright red spots and the margin is white with large orange spots.
