| Văsui | |
| Pushpin Map: | Romania |
| Subdivision Type1: | Country |
| Subdivision Name1: | Romania |
| Subdivision Type2: | Counties |
| Subdivision Name2: | Vrancea County |
| Subdivision Type3: | Villages |
| Subdivision Name3: | Ploștina, Muncei, Vrâncioaia |
| Length: | 12km (07miles) |
| Mouth: | Putna |
| Mouth Coordinates: | 45.8599°N 26.7676°W |
| Basin Size: | 62km2 |
| Tributaries Left: | Hăulișca, Păulești |
The Văsui is a right tributary of the river Putna in Romania.[1] It flows into the Putna near Prisaca. Its length is 12km (07miles) and its basin size is 62km2.