The Satinay sand skink (Coggeria naufragus), also known commonly as the Fraser Island sand skink, is a species of lizard in the family Scincidae.

C. naufragus is the type species of the monotypic genus Coggeria.

[2] The generic name, Coggeria, is in honor of Australian herpetologist Harold Cogger.

[3] The specific name, naufragus, means "shipwrecked" or "castaway" in Latin.

[2] C. naufragus is endemic to Fraser Island, Queensland, Australia.