| Gengea | |
| Pushpin Map: | Romania |
| Subdivision Type1: | Country |
| Subdivision Name1: | Romania |
| Subdivision Type2: | Counties |
| Subdivision Name2: | Olt County |
| Subdivision Type3: | Villages |
| Subdivision Name3: | Belgun, Teiș, Bârza |
| Length: | 11km (07miles) |
| Mouth: | Bârlui |
| Mouth Location: | Upstream of Olari |
| Mouth Coordinates: | 44.3125°N 24.1825°W |
| Mouth Elevation: | 111m (364feet) |
| Progression: | Bârlui→ |
| Basin Size: | 39km2 |
| Custom Label: | River code |
| Custom Data: | VIII.1.173.14.1 |
The Gengea is a right tributary of the river Bârlui in Romania. It flows into the Bârlui near Olari. Its length is 11km (07miles) and its basin size is 39km2.