Okenia pilosa is a species of sea slug, specifically a dorid nudibranch, a marine gastropod mollusc in the family Goniodorididae.
This species was described from New Caledonia. It is known from Hong Kong, Papua New Guinea and Heron Island (Queensland), Australia.[1]
This Okenia has a broad body and many irregularly arranged papillae. The body is translucent and has some spots of dark brown surrounded by pale brown pigment.
The diet of this species is a bryozoan, Calpensia sp..