Léonie Island is the largest and westernmost of the Léonie Islands, 2 kilometres (1 nmi) in diameter and 455 metres (1,500 ft) high, lying in the entrance to Ryder Bay along the southeast side of Adelaide Island, Antarctica. It was discovered and named by the French Antarctic Expedition, 1908–10, under Jean-Baptiste Charcot.^[1]

• List of Antarctic and sub-Antarctic islands

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