| Curumitá de Baixo | |
| Pushpin Map: | Brazil |
| River System: | Tefé River |
| Source1 Location: | Amazonas |
| Mouth Location: | Tefé River |
| Mouth Coordinates: | -3.7887°N -65.0238°W |
| Subdivision Type1: | Country |
| Subdivision Name1: | Brazil |
The Curumitá de Baixo River (Portuguese: Rio Curumitá de Baixo) is a river of Amazonas, Brazil. It is a tributary of the Tefé River.
The river forms the southern boundary of the Tefé National Forest, created in 1989.