McKinnon Island is a large island, mostly ice-covered, in the Hannan Ice Shelf along the coast of Enderby Land, Antarctica. It was plotted from air photos taken by the Australian National Antarctic Research Expeditions in 1956, and was named for Graeme W. McKinnon, Geographical Officer of the Antarctic Division, Melbourne, and Secretary of the Antarctic Names Committee of Australia.

• List of Antarctic and sub-Antarctic islands

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