Sphenomorphus neuhaussi is a species of lizard in the subfamily Sphenomorphinae of the family Scincidae (skinks). The species is endemic to New Guinea
The specific name, neuhaussi, is in honor of German anthropologist .
Sphenomorphus neuhaussi occurs in the provinces of Chimbu, Eastern Highlands, Madang, and Morobe of Papua New Guinea.
The preferred natural habitat of Sphenomorphus neuhaussi is forest, at elevations from sea level to .
The mode of reproduction of Sphenomorphus neuhaussi is unknown.