| Valea Neagră | |
| Pushpin Map: | Hungary#Romania |
| Subdivision Type1: | Countries |
| Subdivision Name1: | Romania and Hungary |
| Subdivision Type2: | Counties |
| Subdivision Type3: | Villages |
| Source1 Location: | Romania |
| Mouth: | Crasna |
| Mouth Location: | Hungary |
| Mouth Coordinates: | 47.7783°N 22.4026°W |
| Tributaries Left: | Scărișoara |
The Valea Neagră is a left tributary of the Crasna river. It originates in Romania near the village of Foieni, crosses into Hungary north of Urziceni and finally joins the Crasna near Mérk. In Romania, its length is 14km (09miles) and its basin size is 125km2.