| Vișeu | |
| Map: | Raul Viseu.png |
| Subdivision Type1: | Country |
| Subdivision Name1: | Romania |
| Subdivision Type2: | Counties |
| Subdivision Name2: | Maramureș |
| Subdivision Type3: | Towns |
| Subdivision Name3: | Borșa, Vișeu de Sus |
| Discharge1 Location: | Near mouth |
| Discharge1 Avg: | (Period: 1971–2000)[1] |
| Source1 Location: | Rodna Mountains, Prislop Pass |
| Mouth: | Tisza |
| Mouth Location: | Valea Vișeului |
| Mouth Coordinates: | 47.9128°N 24.1456°W |
| Basin Size: | [2] |
| Tributaries Right: | Vaser, Ruscova |
The Vișeu (Hungarian: Visó) in northern Romania is a left tributary of the river Tisza. Its source is in the Rodna Mountains. It passes through the following villages, communes and cities: Borșa (city), Moisei (commune), Vișeu de Sus (city), Vișeu de Jos (commune), Leordina (commune), Petrova (commune), Bistra (village), Valea Vișeului (village). In Valea Vișeului village, the river flows into the Tisza.[3] Its length is 82km (51miles).[4] Its drainage basin covers an area of 1581km2.[5]
The following rivers are tributaries to the river Vișeu (from source to mouth):
Left: Fântâna, Negoescu, Repedea, Pârâul Pietros, Izvorul Dragoș, Izvorul Negru, Drăguiasa, Bocicoel, Spânu, Mârza, Plăiuț
Right: Cercănel, Cisla, Vaser, Valea Vinului, Valea Morii, Ruscova, Frumușeaua, Bistra, Runcu Mare