| Île Australia | |
| Native Name: | Île Australia |
| Location: | Indian Ocean |
| Coordinates: | -49.45°N 119°W |
| Archipelago: | Îles Kerguelen |
| Area Km2: | 37 |
| Length Km: | 10 |
| Width Km: | 3 |
| Coastline Km: | 32 |
| Elevation M: | 145 |
| Elevation Footnotes: | .[1] |
| Highest Mount: | Le stack de Tome |
| Country Admin Divisions Title: | Terres australes et antarctiques françaises |
| Country Admin Divisions Title 1: | District |
| Country Admin Divisions 1: | Îles Kerguelen |
| Population: | 0 |
Île Australia is one of the Kerguelen Islands situated in the Golfe du Morbihan near the coast of Grande Terre, the principal island.
It is around 10 km long and 3 km wide. The highest spot is Le stack de Tome at 145 metres.