Cox Reef (67°45′S 69°5′W / 67.750°S 69.083°W / -67.750; -69.083) is a group of drying rocks lying northwest of Box Reef off the south end of Adelaide Island. It was named by the UK Antarctic Place-Names Committee in 1963 for Able Seaman Edward F. Cox, a member of the Royal Navy Hydrographic Survey Unit which first charted this feature in 1963.

•  This article incorporates public domain material from "Cox Reef". Geographic Names Information System. United States Geological Survey.