| Azul River | |
| Pushpin Map: | Brazil |
| River System: | Môa River |
| Source1 Location: | Acre state |
| Mouth Coordinates: | -7.4219°N -73.2868°W |
| Subdivision Type1: | Country |
| Subdivision Name1: | Brazil |
Azul River is a river of Acre state in western Brazil. It is a tributary of the Môa River. The name is shared by multiple rivers, including one in Argentina and another that flows through southern Brazil's Paraná state and is a tributary of the Piquiri River.
The Azul River in Acre state defines the eastern boundary of the northern section of the Serra do Divisor National Park