Lioscincus steindachneri, also known commonly as the white-lipped forest skink or Steindachner's ground skink, is a species of lizard in the family Scincidae.

The species is endemic to New Caledonia.

[2] The specific name, steindachneri, is in honor of Austrian herpetologist Franz Steindachner.

[3] The preferred natural habitat of L. steindachneri is moist forest, at altitudes of 200–1,110 m (660–3,640 ft).

[1][2] The mode of reproduction of L. steindachneri is unknown.