| Blair Islands | |
| Map: | Antarctica |
| Location: | Antarctica |
| Population: | Uninhabited |
| Country: | None |
| Treaty System: | Antarctic Treaty System |
The Blair Islands are a group of small islands lying 4nmi west of Cape Gray, at the east side of the entrance to Commonwealth Bay, George V Land, Antarctica. They were discovered by the Australasian Antarctic Expedition (1911–14) under Douglas Mawson, who named the group for John H. Blair, Chief Officer on the Aurora.