Sphenomorphus modiglianii is a species of lizard in the subfamily Sphenomorphinae of the family Scincidae (skinks). The species is native to Indonesia.
The specific name, modiglianii, is in honor of Italian zoologist Elio Modigliani.
The preferred natural habitat of Sphenomorphus modiglianii is forest, at elevations from sea level to .
The mode of reproduction of Sphenomorphus modiglianii is unknown.