| Rebra | |
| Pushpin Map: | Romania |
| Subdivision Type1: | Country |
| Subdivision Name1: | Romania |
| Subdivision Type2: | Counties |
| Subdivision Name2: | Bistrița-Năsăud County |
| Subdivision Type3: | Villages |
| Subdivision Name3: | Parva, Rebra |
| Length: | 44km (27miles) |
| Source1: | Rodna Mountains |
| Mouth: | Someșul Mare |
| Mouth Location: | Upstream of Rebrișoara |
| Mouth Coordinates: | 47.2857°N 24.4771°W |
| Basin Size: | 199km2 |
| Tributaries Left: | Gușatul Mare, Valea Satului |
The Rebra is a right tributary of the river Someșul Mare in Romania. Its source is in the Rodna Mountains. It discharges into the Someșul Mare near Rebrișoara.[1] Its length is 44km (27miles) and its basin size is 199km2. The upper reach of the river, upstream from the confluence with the Gușatul Mare at Gura Rebra, is also known as Rebrișoara.