Goniobranchus gleniei is a species of colourful sea slug, a dorid nudibranch, a marine gastropod mollusc in the family Chromodorididae.
Goniobranchus gleniei is a chromodorid nudibranch with a continuous, sinuous black or deep purple line all round the mantle, outside the gills and rhinophores. The outer part of the mantle is white with a faint submarginal grey line. The inner part of the mantle is golden-brown with irregular black spots.
