| Viișoara | |
| Name Other: | Puturosu |
| Pushpin Map: | Romania |
| Subdivision Type1: | Country |
| Subdivision Name1: | Romania |
| Subdivision Type2: | Counties |
| Subdivision Name2: | Prahova County |
| Length: | 26km (16miles) |
| Mouth: | Prahova |
| Mouth Location: | Palanca |
| Mouth Coordinates: | 44.8033°N 26.1648°W |
| Basin Size: | 30km2 |
The Viișoara is a left tributary of the river Prahova in Romania. It discharges into the Prahova near Palanca.[1] It flows through the villages Târgșoru Nou, Târgșoru Vechi, Puchenii Mici and Puchenii Mari. Its length is 26km (16miles) and its basin size is 30km2.