| Râușor | |
| Pushpin Map: | Romania |
| Subdivision Type1: | Country |
| Subdivision Name1: | Romania |
| Subdivision Type2: | Counties |
| Subdivision Name2: | Maramureș County |
| Length: | 10km (10miles) |
| Mouth: | Mara |
| Mouth Location: | Mara |
| Mouth Coordinates: | 47.7566°N 23.8304°W |
| Progression: | Mara→ |
| Basin Size: | 37km2 |
| Tributaries Left: | Izvorul Negru |
| Tributaries Right: | Hopșia |
The Râușor is a right tributary of the Mara in Maramureș County, Romania. It discharges into the Mara in the village Mara. Its main tributaries are the Izvorul Negru and the Hopșia. Its length is 10km (10miles) and its basin size is 37km2.