| Mataurá River | |
| Source1 Location: | Amazonas state |
| Mouth Location: | Madeira River |
| Subdivision Type1: | Country |
| Subdivision Name1: | Brazil |
Mataurá River (Portuguese: Rio Mataurá) is a river of Amazonas state in north-western Brazil. It is a tributary of the Madeira River, and merges into this river roughly halfway between the towns of Manicoré and Novo Aripuanã.