Cape Spencer (68°24′S 147°29′E / 68.400°S 147.483°E) is an ice-covered point marking on the east the seaward end of the depression occupied by the Ninnis Glacier. Discovered by the Australasian Antarctic Expedition (1911-14) under Douglas Mawson, who named it for Sir Baldwin Spencer, Director of the National Museum, Melbourne, in 1911. This article incorporates public domain material from the United States Geological Survey document "Cape Spencer (Antarctica)" (content from the Geographic Names Information System).