| Arara River | |
| Source1 Location: | Amazonas state |
| Mouth: | Unini River |
| Mouth Coordinates: | -1.6502°N -63.5357°W |
| Subdivision Type1: | Country |
| Subdivision Name1: | Brazil |
Arara River is a river of Amazonas state in north-western Brazil. It is a tributary of the Unini River, which stems from Negro River.[1] This is not to be confused with Arara River in the Acre state of western Brazil.