| Iaz | |
| Pushpin Map: | Romania |
| Subdivision Type1: | Country |
| Subdivision Name1: | Romania |
| Subdivision Type2: | Counties |
| Subdivision Name2: | Sălaj County |
| Subdivision Type3: | Villages |
| Subdivision Name3: | Iaz, Boghiș |
| Length: | 16km (10miles) |
| Mouth: | Barcău |
| Mouth Location: | Boghiș |
| Mouth Coordinates: | 47.1546°N 22.7346°W |
| Basin Size: | 38km2 |
| Tributaries Right: | Valea Șesii |
The Iaz is a left tributary of the river Barcău in Romania. It discharges into the Barcău in Boghiș.[1] Its length is 16km (10miles) and its basin size is 38km2.