| Vârtej | |
| Pushpin Map: | Romania |
| Subdivision Type1: | Country |
| Subdivision Name1: | Romania |
| Subdivision Type2: | Counties |
| Subdivision Name2: | Argeș County |
| Subdivision Type3: | Villages |
| Subdivision Name3: | Cotmenița, Băbana, Metofu, Sămara |
| Length: | 21km (13miles) |
| Mouth: | Cotmeana |
| Mouth Coordinates: | 44.8088°N 24.7039°W |
| Progression: | Cotmeana→ |
| Basin Size: | 56km2 |
The Vârtej is a left tributary of the river Cotmeana in Romania. It flows into the Cotmeana near Poiana Lacului. Its length is 21km (13miles) and its basin size is 56km2.