| Curuaés River | |
| Pushpin Map: | Brazil |
| River System: | Curuá River |
| Source1 Location: | Pará state |
| Mouth Coordinates: | -7.4125°N -54.7867°W |
| Subdivision Type1: | Country |
| Subdivision Name1: | Brazil |
The Curuaés River is a river of Pará state in north-central Brazil. It is a right tributary of the Curuá River in the Xingu River basin.
The river rises in the Nascentes da Serra do Cachimbo Biological Reserve, a strictly protected conservation unit established in 2005. It is one of the headwaters of the Xingu River.It flows through the Altamira National Forest, a sustainable use conservation unit created in 1998.