| Nadăș | |
| Pushpin Map: | Romania |
| Subdivision Type1: | Country |
| Subdivision Name1: | Romania |
| Subdivision Type2: | Counties |
| Subdivision Name2: | Cluj County |
| Subdivision Type3: | Villages |
| Subdivision Name3: | Nadășu, Aghireșu, Gârbău, Baciu |
| Length: | 44km (27miles) |
| Mouth: | Someșul Mic |
| Mouth Location: | Cluj-Napoca |
| Mouth Coordinates: | 46.7896°N 23.6002°W |
| Basin Size: | 372km2 |
| Tributaries Left: | Șomtelec, Valea Mare, Mera, Popești |
| Tributaries Right: | Leghia, Inuc |
The Nadăș (Hungarian: Nádas) is a left tributary of the river Someșul Mic in Romania. It discharges into the Someșul Mic in Cluj-Napoca.[1] The name in Hungarian means "reedy". The Romanian name derives from that. Its length is 44km (27miles) and its basin size is 372km2.