| Iza | |
| Map: | Raul Iza.png |
| Subdivision Type1: | Country |
| Subdivision Name1: | Romania |
| Subdivision Type2: | Counties |
| Subdivision Name2: | Maramureș |
| Subdivision Type3: | Towns |
| Subdivision Name3: | Săliștea de Sus, Sighetu Marmației |
| Length: | [1] |
| Discharge1 Location: | Sighetu Marmației (near mouth) |
| Discharge1 Avg: | (Period: 1971–2000)[2] |
| Source1: | Rodna Mountains |
| Mouth: | Tisa |
| Mouth Location: | Sighetu Marmației |
| Mouth Coordinates: | 47.9344°N 23.8531°W |
| Basin Size: | [3] |
| Tributaries Left: | Baicu, Mara |
The Iza is a left tributary of the river Tisa in northern Romania. Its source is in the Rodna Mountains. It flows into the Tisa near the city Sighetu Marmației.[4] It passes through the communes Săcel, Săliștea de Sus, Dragomirești, Bogdan Vodă, Șieu, Rozavlea, Strâmtura, Bârsana, Oncești, Vadu Izei, and Sighetu Marmației. Its drainage basin covers an area of 1293km2.[5] Its length is 80km (50miles).[6]
The following rivers are tributaries to the river Iza: