| Zimbru | |
| Pushpin Map: | Romania |
| Subdivision Type1: | Country |
| Subdivision Name1: | Romania |
| Subdivision Type2: | Counties |
| Subdivision Name2: | Arad County |
| Subdivision Type3: | Villages |
| Subdivision Name3: | Zimbru, Valea Mare, Iosășel, Iosaș |
| Length: | 20km (10miles) |
| Mouth: | Crișul Alb |
| Mouth Location: | Gurahonț |
| Mouth Coordinates: | 46.278°N 22.3395°W |
| Basin Size: | 81km2 |
| Tributaries Left: | Brusturescu |
| Tributaries Right: | Luștiu, Zimbruț |
The Zimbru is a right tributary of the river Crișul Alb in Romania. It discharges into the Crișul Alb in Iosaș, near Gurahonț.[1] Its length is 20km (10miles) and its basin size is 81km2.