| Perchiu | |
| Pushpin Map: | Romania |
| Subdivision Type1: | Country |
| Subdivision Name1: | Romania |
| Subdivision Type2: | Counties |
| Subdivision Name2: | Bacău County |
| Subdivision Type3: | Villages |
| Subdivision Name3: | Ocheni, Huruiești, Perchiu, Prădaiș |
| Length: | 14km (09miles) |
| Mouth: | Polocin |
| Mouth Coordinates: | 46.1795°N 27.2388°W |
| Progression: | Polocin→ |
| Basin Size: | 28km2 |
The Perchiu is a left tributary of the river Polocin in Romania.[1] It flows into the Polocin near Prădaiș.[2] Its length is 14km (09miles) and its basin size is 28km2.