Lygisaurus tanneri, also known commonly as the Endeavour River litter-skink and Tanner's four-fingered skink, is a species of lizard in the family Scincidae.

The species is endemic to Australia.

The specific name, tanneri, is in honor of Australian herpetologist Charles Tanner (1911–1996).

[3] L. tanneri is found in Queensland, Australia.

[2] The preferred natural habitat of L. tanneri is forest.