Krok Island is an irregular-shaped island nearly 1.9 kilometres (1 nmi) in extent, the largest of the group lying 1.9 kilometres (1 nmi) south of Abrupt Island and 11 kilometres (6 nmi) west of Hoseason Glacier, Antarctica. It was mapped by Norwegian cartographers from aerial photos taken by the Lars Christensen Expedition, 1936–37, and named "Krokoy" (crooked island).

• List of Antarctic and sub-Antarctic islands

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