| Dălghiu | |
| Pushpin Map: | Romania |
| Subdivision Type1: | Country |
| Subdivision Name1: | Romania |
| Subdivision Type2: | Counties |
| Subdivision Name2: | Brașov County |
| Subdivision Type3: | Villages |
| Subdivision Name3: | Dălghiu |
| Length: | 17km (11miles) |
| Source1: | Ciucaș Mountains |
| Mouth: | Buzău |
| Mouth Coordinates: | 45.5781°N 25.981°W |
| Basin Size: | 51km2 |
| Tributaries Left: | Dălghiaș |
| Tributaries Right: | Pârâul Porcului |
The Dălghiu is a left tributary of the river Buzău in Romania. It discharges into the Buzău upstream from Vama Buzăului.[1] Its length is 17km (11miles) and its basin size is 51km2.