| Rossmore Island | |
| Map: | island of Ireland |
| Location: | Kenmare River |
| Coordinates: | 51.825°N -9.8°W |
| Country: | Ireland |
| Country Admin Divisions Title: | Province |
| Country Admin Divisions: | Munster |
| Country Admin Divisions Title 1: | County |
| Country Admin Divisions 1: | Kerry |
| Population: | 15 |
| Population As Of: | 2022 |
| Population Footnotes: | [1] |
Rossmore Island is a former island in County Kerry, now joined to the mainland via a bridge.