Bellingshausen Island (59º25´S 027º03´W) is one of the most southerly of the South Sandwich Islands, close to Thule Island and Cook Island.

The crater on Bellingshausen Island is around 500 feet in diameter and some 60m deep.

Bellingshausen is named after Russian Antarctic explorer Fabian Gottlieb von Bellingshausen (1778-1852) who discovered the island.

Bellingshausen led an expedition which discovered and named several islands in the region. Discoveries included Peter I Island, Zavodovski Island and Alexander Island.