| Astor Island | |
| Map: | Antarctic Peninsula#Antarctica |
| Location: | Antarctica |
| Archipelago: | South Shetland Islands |
| Area Ha: | 12 |
| Population: | Uninhabited |
| Country: | None |
| Treaty System: | Antarctic Treaty System |
Astor Island is an island lying between Rugged Island and Livingston Island in the South Shetland Islands, Antarctica. Surface area 12ha.
The feature was named by the United Kingdom Antarctic Place-Names Committee in 1958 for B. Astor of the New York Lyceum of Natural History (now the American Museum of Natural History).
