| Krok Island | |
| Map: | Antarctica |
| Location: | Antarctica |
| Coordinates: | -67.0333°N 103°W |
| Population: | Uninhabited |
| Country: | None |
| Treaty System: | Antarctic Treaty System |
Krok Island is an irregular-shaped island nearly 1nmi in extent, the largest of the group lying 1nmi south of Abrupt Island and 6nmi 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).