The brown skink (Oligosoma zelandicum) is a species of skink that is native to New Zealand.
The brown skink is relatively numerous and is found from Taranaki to Wellington in the North Island and in the Marlborough Sounds, Nelson and Westland in the South Island.
The brown skink is listed as Least Concern by the IUCN Red List as of 2010. In 2012 the Department of Conservation classified the brown skink as At Risk Declining under the New Zealand Threat Classification System.