| Rușor | |
| Pushpin Map: | Romania |
| Subdivision Type1: | Country |
| Subdivision Name1: | Romania |
| Subdivision Type2: | Counties |
| Subdivision Name2: | Hunedoara County |
| Subdivision Type3: | Villages |
| Subdivision Name3: | Șerel, Rușor |
| Length: | 12km (07miles) |
| Mouth: | Strei |
| Mouth Location: | Rușor |
| Mouth Coordinates: | 45.5334°N 23.0265°W |
| Basin Size: | 29km2 |
| Tributaries Left: | Șerel |
The Rușor is a left tributary of the Strei in Romania. It flows into the Strei in the village Rușor. Its length is 12km (07miles) and its basin size is 29km2.