| Râul Alb | |
| Name Other: | Vasielu |
| Pushpin Map: | Romania |
| Subdivision Type1: | Country |
| Subdivision Name1: | Romania |
| Subdivision Type2: | Counties |
| Subdivision Name2: | Hunedoara County |
| Subdivision Type3: | Villages |
| Subdivision Name3: | Coroiești, Râu Alb |
| Length: | 22km (14miles) |
| Mouth: | Strei |
| Mouth Location: | Ohaba de sub Piatră |
| Mouth Coordinates: | 45.5447°N 23.0028°W |
| Basin Size: | 44km2 |
| Tributaries Left: | Scoaba Seacă, Cătânașe, Valea Ascunsă, Dâlma cu Mesteacăn |
| Tributaries Right: | Gorova, Râul Șerenilor, Vaidei |
| Custom Label: | River code |
| Custom Data: | IV.1.117.10 |
The Râul Alb is a left tributary of the river Strei in Romania. The upper reach of the river is also known as Vasielu. It flows into the Strei in Ohaba de sub Piatră.[1] Its length is 22km (14miles) and its basin size is 44km2.