| Firiza | |
| Pushpin Map: | Romania |
| Subdivision Type1: | Country |
| Subdivision Name1: | Romania |
| Subdivision Type2: | Counties |
| Subdivision Name2: | Maramureș County |
| Subdivision Type3: | Villages |
| Subdivision Name3: | Blidari, Firiza, Baia Mare |
| Length: | 28km (17miles) |
| Source1: | Gutâi Mountains |
| Mouth: | Săsar |
| Mouth Location: | Baia Mare |
| Mouth Coordinates: | 47.6644°N 23.6033°W |
| Mouth Elevation: | 237m (778feet) |
| Basin Size: | 168km2 |
The Firiza (Hungarian: Fernezely) is a right tributary of the river Săsar in Maramureș County, Romania. It discharges into the Săsar in Baia Mare.[1] Its length is 28km (17miles) and its basin size is 168km2. The Strâmtori Dam is built on the river Firiza.
The following rivers are tributaries to the river Firiza: