Glaphyromorphus darwiniensis, also known commonly as Darwin's ground skink and the northern mulch-skink, is a species of lizard in the family Scincidae.

The species is endemic to Australia.

The specific name, darwiniensis, refers to the city of Darwin, Northern Territory, Australia.

[3] G. darwiniensis is found in Northern Territory and Western Australia.

[2] The preferred natural habitat of G. darwiniensis is forest.