| Tarja | |
| Location: | Baltic Sea |
| Coordinates: | 58.445°N 21.7603°W |
| Country Admin Divisions Title: | County |
| Country Admin Divisions: | Saare County |
| Map: | Estonia |
Tarja is an island belonging to the country of Estonia in its western archipelago. This island is a part of Saaremaa Parish, Saare County and is currently uninhabited. It is only a short distance west from the nearest village of Kõruse.