| Râul Lupului | |
| (Valea Lupului River) | |
| River | |
| Countries | Romania |
|---|---|
| Counties | Iaşi County |
| Mouth | Bahlui |
| Length | 9 km (6 mi) |
| Basin | 19 km2 (7 sq mi) |
| Official River Code | XIII.1.15.32.18 |
Râul Lupului or Valea Lupului River is a tributary of the Bahlui River in Romania.
The quality of its waters is rather low, due to spills of industrial plants in the area.