| Cautín River | |
| Map: | Txu-oclc-224571178-sj18-12.jpg |
| Map Alt: | Map of the Region of Temuco |
| Mouth Location: | Imperial River |
| Subdivision Type1: | Country |
| Subdivision Name1: | Chile |
| Length: | 174km (108miles)[1] |
| Basin Size: | 3100km2 |
The Cautín (Rio Cautín) is a river in Chile. It rises on the western slopes of the Cordillera de Las Raíces and flows in La Araucanía Region. The river's main tributary is the Quepe River. The city of Temuco is located on the Cautín River.