| Nimăiești | |
| Pushpin Map: | Romania |
| Subdivision Type1: | Country |
| Subdivision Name1: | Romania |
| Subdivision Type2: | Counties |
| Subdivision Name2: | Bihor |
| Subdivision Type3: | Villages |
| Subdivision Name3: | Budureasa, Burda, Pocioveliște, Curățele, Nimăiești, Beiuș |
| Length: | 26km (16miles) |
| Source1: | Vlădeasa Mountains |
| Mouth: | Crișul Negru |
| Mouth Location: | Beiuș |
| Mouth Coordinates: | 46.6633°N 22.3411°W |
| Basin Size: | 109km2 |
| Tributaries Left: | Cohu |
| Tributaries Right: | Valea Plaiului, Burda, Beiușele |
The Nimăiești is a right tributary of the river Crișul Negru in Romania. Its length is 26km (16miles) and its basin size is 109km2.[1] The 26 km long river discharges into the Crișul Negru in Beiuș.