Ruby Peak (54°12′S 36°40′W / 54.200°S 36.667°W) is a peak rising on the east side of Olsen Valley to the southwest of Jason Peak, South Georgia. The name appears to be first used on a 1930 British Admiralty chart.
This article incorporates public domain material from "Ruby Peak (South Georgia Island)". Geographic Names Information System. United States Geological Survey.