| Rapel River | |
| Pushpin Map: | Chile |
| Pushpin Map Caption: | Location of mouth |
| Mouth: | Rio Grande |
| Mouth Coordinates: | -33.904°N -71.8331°W |
| Subdivision Type1: | Country |
| Subdivision Name1: | Chile |
| Basin Size: | 13695km2[1] |
Rapel River is a river of Chile located in the O'Higgins Region. It begins at the confluence of the rivers Cachapoal and Tinguiririca in an area best known as La Junta. At present day, this area is impounded by Rapel Dam, creating Rapel Lake.[2]
Other tributaries: