| Itacaiunas River | |
| Country | Brazil |
|---|---|
| State | Pará |
| Mouth | |
| - coordinates | 5°21′15″S 49°08′45″W / 5.35417°S 49.14583°WCoordinates: 5°21′15″S 49°08′45″W / 5.35417°S 49.14583°W |
| Length | 390 km (242 mi) |
The Itacaiunas River is a river of Pará state in north-central Brazil.
Part of the river basin is in the Tapirapé-Aquiri National Forest, a 196,504 hours (707,410 ks) sustainable use conservation unit created in 1989.