| Breton Island | |
| Map: | Antarctica |
| Location: | Antarctica |
| Population: | Uninhabited |
| Country: | None |
| Treaty System: | Antarctic Treaty System |
Breton Island is a small rocky island lying 0.21NaN1 southwest of Empereur Island. It was charted in 1950 by the French Antarctic Expedition and named by them for their largely Breton crew.