| Bârlui | |
| Pushpin Map: | Romania |
| Subdivision Type1: | Country |
| Subdivision Name1: | Romania |
| Subdivision Type2: | Counties |
| Subdivision Name2: | Olt County |
| Length: | 43km (27miles) |
| Source1 Coordinates: | 44.5836°N 24.0614°W |
| Source1 Elevation: | 259m (850feet) |
| Mouth: | Olteț |
| Mouth Location: | Butoi |
| Mouth Coordinates: | 44.2883°N 24.2114°W |
| Mouth Elevation: | 105m (344feet) |
| Basin Size: | 137km2 |
| Tributaries Right: | Gengea |
The Bârlui is a left tributary of the river Olteț in Romania. It discharges into the Olteț in Butoi.[1] It passes through the villages Poiana Mare, Morunești, Bărăști, Bechet, Braneț, Olari and Butoi. Its length is 43km (27miles) and its basin size is 137km2.