| Cañas River | |
| Pushpin Map: | USA Puerto Rico |
| Source1 Location: | Naranjito |
| Subdivision Type1: | Commonwealth |
| Subdivision Name1: | Puerto Rico |
| Subdivision Type2: | Municipality |
| Subdivision Name2: | Naranjito |
| Source1 Elevation: | 151 ft. |
The Cañas River (Spanish; Castilian: Río Cañas) is a river of Naranjito, and Toa Alta in Puerto Rico.[1]