Carlia mysi, commonly known as Mys' rainbow skink, is a species of lizard in the subfamily Eugongylinae of the family Scincidae. The species is native to Papua New Guinea.
The specific name, mysi, is in honor of Belgian herpetologist .
Carlia mysi occurs in both mainland New Guinea and in the Bismarck Archipelago. Populations believed to be introduced exist in the Solomon Islands.
The preferred natural habitat of Carlia mysi is grassland, at elevations from sea level to , but it has also been found in disturbed and urban areas.
Carlia mysi is oviparous.