| Tărtărău | |
| Pushpin Map: | Romania |
| Subdivision Type1: | Country |
| Subdivision Name1: | Romania |
| Subdivision Type2: | Counties |
| Subdivision Name2: | Alba County |
| Length: | 8km (05miles) |
| Source1: | Mount Tărtărău |
| Source1 Location: | Șureanu Mountains |
| Source1 Coordinates: | 45.4686°N 23.6289°W |
| Source1 Elevation: | 1718m (5,636feet) |
| Mouth: | Sebeș |
| Mouth Coordinates: | 45.5144°N 23.6517°W |
| Mouth Elevation: | 1320m (4,330feet) |
| Basin Size: | 20km2 |
The Tărtărău is a left tributary of the river Sebeș in Romania. It flows into the Sebeș upstream from the Oașa Dam. Its length is 8km (05miles) and its basin size is 20km2.