Trapania scurra is a species of sea slug, a dorid nudibranch, a marine gastropod mollusc in the family Goniodorididae.

The gills and rhinophores are purple and the large lateral papillae are white with brown bands.

The oral tentacles and adjacent part of the head are blue.

[3] The single animal known from the Marshall Islands has larger white patches and orange lateral papillae.

[4] Trapania scurra feeds on Entoprocta which often grow on sponges and other living substrata.