| Apiaú River | |
| Pushpin Map: | Brazil |
| River System: | Mucajaí River |
| Mouth Coordinates: | 2.6951°N -61.3035°W |
| Subdivision Type1: | Country |
| Subdivision Name1: | Brazil |
The Apiaú River is a river of Roraima state in northern Brazil. It is a tributary of the Mucajaí River.
Part of the river's basin is in the Roraima National Forest.