Mount Henry Lucy () is a prominent peak, 3,020 m, standing 2.5 nautical miles (4.6 km) south-southeast of Mount White at the south end of Supporters Range. Discovered by the British Antarctic Expedition (1907-09) and named for Henry Lucy, who publicized Shackleton's expedition and assisted in obtaining a financial grant from Parliament for the expedition.
This article incorporates public domain material from the United States Geological Survey document "Mount Henry Lucy" (content from the Geographic Names Information System).