| Môa River | |
| Pushpin Map: | Brazil |
| River System: | Juruá River |
| Source1 Location: | Acre state |
| Mouth Coordinates: | -7.6563°N -72.6782°W |
| Subdivision Type1: | Country |
| Subdivision Name1: | Brazil |
| Tributaries Right: | Azul River |
The Môa River (Portuguese: Rio Môa) is a river of Acre state in western Brazil. It is a left-bank tributary of the Juruá River.
The Môa River flows through the northern part of the Serra do Divisor National Park, and forms part of its north eastern boundary.It continues east until it joins the Juruá River.
One of the Môa River tributaries is Azul.