| Lădăuți | |
| Pushpin Map: | Romania |
| Subdivision Type1: | Country |
| Subdivision Name1: | Romania |
| Subdivision Type2: | Counties |
| Subdivision Name2: | Covasna County |
| Subdivision Type3: | Villages |
| Subdivision Name3: | Lădăuți, Barcani |
| Length: | 11km (07miles) |
| Source1: | Curvature Carpathians |
| Mouth: | Buzău |
| Mouth Coordinates: | 45.6654°N 26.0666°W |
| Basin Size: | 98km2 |
| Tributaries Left: | Barcani |
| Tributaries Right: | Bărbat |
The Lădăuți is a left tributary of the river Buzău in Romania. It discharges into the Buzău near Sita Buzăului. Its length is 11km (07miles) and its basin size is 98km2.