South Wellesley Islands
| South Wellesley Islands Queensland | |
|---|---|
| Coordinates | 17°00′13″S 139°21′48″E / 17.0037°S 139.3634°E |
| Population | 0 (2021 census) |
| • Density | 0.000/km2 (0.000/sq mi) |
| Postcode(s) | 4871 |
| Area | 144.2 km2 (55.7 sq mi) |
| Time zone | AEST (UTC+10:00) |
| LGA(s) | Shire of Mornington |
| State electorate(s) | Traeger |
| Federal division(s) | Kennedy |
The South Wellesley Islands is an island group and locality in the Gulf of Carpentaria within the Shire of Mornington, Queensland, Australia. The group is separate from the Wellesley Islands.
Bentinck Island is the only one known to have been inhabited in the past. In the 2021 census, South Wellesley Islands had "no people or a very low population".