Mulga Island is a small island 5.6 kilometres (3 nmi) off the coast and 9.3 kilometres (5 nmi) northeast of Kirkby Head, Enderby Land in Antarctica. Plotted from air photos taken from ANARE (Australian National Antarctic Research Expeditions) aircraft in 1956. Mulga is the vernacular name for species of Acacia found in semi-desert areas of Australia.

• List of Antarctic and sub-Antarctic islands

 This article incorporates public domain material from "Mulga Island". Geographic Names Information System. United States Geological Survey.