Fourier Island should not be confused with Fournier Island.
| Fourier Island | |
| Map: | Antarctica |
| Location: | Antarctica |
| Coordinates: | -66.8°N 171°W |
| Population: | Uninhabited |
| Country: | None |
| Treaty System: | Antarctic Treaty System |
Fourier Island is a small rocky island 0.05-2NaN-2 off the coast and 0.751NaN1 east-northeast of Cape Mousse, Antarctica. It was charted in 1951 by the French Antarctic Expedition and named by them for Jean-Baptiste Fourier, the French geometrician.