| Izvorul Negru | |
| Pushpin Map: | Romania |
| Subdivision Type1: | Country |
| Subdivision Name1: | Romania |
| Subdivision Type2: | Counties |
| Subdivision Name2: | Bacău County |
| Subdivision Type3: | Villages |
| Subdivision Name3: | Sălătruc |
| Length: | 16km (10miles) |
| Mouth: | Uz |
| Mouth Coordinates: | 46.3549°N 26.4441°W |
| Basin Size: | 31km2 |
The Izvorul Negru is a right tributary of the river Uz in Romania.[1] It discharges into the Uz in Sălătruc near Dărmănești.[2] Its length is 16km (10miles) and its basin size is 31km2.