Hypselodoris brycei is a species of sea slug or dorid nudibranch, a marine gastropod mollusc in the family Chromodorididae.

It is known only from the Houtman Abrolhos Islands to the Exmouth Region and Dampier Archipelago, Western Australia.

[1] Hypselodoris brycei has a translucent white body with a deep violet marginal band and paler violet pigment all over the mantle.

The gills and rhinophores are red to orange with a purple base.

[1][3] This species can reach a total length of at least 50 mm.