| Vaslui | |
| Pushpin Map: | Romania |
| Subdivision Type1: | Country |
| Subdivision Name1: | Romania |
| Subdivision Type2: | Counties |
| Subdivision Name2: | Olt County |
| Subdivision Type3: | Villages |
| Subdivision Name3: | Bistrița Nouă, Găneasa |
| Length: | 17km (11miles) |
| Source1 Coordinates: | 44.4656°N 24.1597°W |
| Source1 Elevation: | 213m (699feet) |
| Mouth: | Oltișor |
| Mouth Location: | Găneasa |
| Mouth Coordinates: | 44.3947°N 24.2836°W |
| Mouth Elevation: | 105m (344feet) |
| Progression: | Oltișor→ Balta Dascălului→ |
| Basin Size: | 33km2 |
| Custom Label: | River code |
| Custom Data: | VIII.1.173.16.1.2 |
The Vaslui is a right tributary of the river Oltișor in Romania. It flows into the Oltișor in Găneasa. Its length is 17km (11miles) and its basin size is 33km2.