  Topgallant Islands | |
| Geography | |
|---|---|
| Location | Great Australian Bight |
| Coordinates | 33°42′55″S 134°36′54″E / 33.71536°S 134.61487°E |
| Administration | |
Australia | |
| Demographics | |
| Population | 0 |
Topgallant Islands is an island group in the Australian state of South Australia located in the Investigator Group about 22 kilometres (14 miles) south west of Cape Finniss on the west coast of Eyre Peninsula. The group was discovered and named by Matthew Flinders on 13 February 1802. The island group has enjoyed protected area status since the 1960s and since 2011, it has been part of the Investigator Group Wilderness Protection Area.