The Môa River (Portuguese: Rio Môa) is a river of Acre state in western Brazil.

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.

[1] One of the Môa River tributaries is Azul.

This article related to a river in Acre is a stub.