| Tocantins River | |
| Pushpin Map: | Brazil |
| River System: | Jamanxim River |
| Mouth Coordinates: | -5.3763°N -56.1144°W |
| Subdivision Type1: | Country |
| Subdivision Name1: | Brazil |
The Tocantins River (Portuguese: Rio Tocantins) is a river in the state of Pará, Brazil.It is a tributary of the Jamanxim River.
The river basin is in the Jamanxim National Park.