Cnemaspis modiglianii is a species of gecko, a lizard in the family Gekkonidae. The species is endemic to Indonesia.
The specific name, modiglianii, is in honor of Italian anthropologist Elio Modigliani.
In Indonesia Cnemaspis modiglianii is found on Enggano Island and on the islands of the Mentawai Archipelago.
The preferred natural habitat of Cnemaspis modiglianii is forest.
The maximum recorded snout-to-vent length (SVL) for Cnemaspis modiglianii is .
Cnemaspis modiglianii is oviparous.