| Swain Islands | |
| Map: | Antarctica |
| Archipelago: | Windmill Islands |
| Population: | Uninhabited |
| Country: | None |
| Treaty System: | Antarctic Treaty System |
The Swain Islands are a group of small islands and rocks about 21NaN1 in extent, lying 0.51NaN1 north of Clark Peninsula at the northeast end of the Windmill Islands. Delineated from aerial photographs taken by U.S. Navy Operation Highjump in February 1947. Named by the Advisory Committee on Antarctic Names (US-ACAN) for K. C. Swain who served as air crewman with the central task group of U.S. Navy Operation Highjump, 1946–47, and also with USN. Operation Windmill which obtained aerial and ground photographic coverage of the Windmill Islands in January 1948.