| Vămășoaia | |
| Pushpin Map: | Romania |
| Subdivision Type1: | Country |
| Subdivision Name1: | Romania |
| Subdivision Type2: | Counties |
| Subdivision Name2: | Iași County |
| Subdivision Type3: | Villages |
| Subdivision Name3: | Vlădiceni |
| Length: | 12km (07miles) |
| Mouth: | Bahlui |
| Mouth Coordinates: | 47.1451°N 27.6795°W |
| Basin Size: | 35km2 |
| Custom Label: | River code |
| Custom Data: | XIII.1.15.32.23a |
The Vămășoaia is a right tributary of the river Bahlui in eastern Romania. It flows into the Bahlui in Holboca. Its length is 12km (07miles) and its basin size is 35km2.