| Blanco River | |
| Pushpin Map: | Puerto Rico |
| Pushpin Map Caption: | Location of mouth |
| Subdivision Type1: | Commonwealth |
| Subdivision Name1: | Puerto Rico |
| Subdivision Type2: | Municipality |
| Subdivision Name2: | Lares |
| Source1 Elevation: | 479 ft. |
Blanco River (Spanish; Castilian: Río Blanco) is a river located in barrio La Torre in Lares, and also in the municipalities of San Sebastián and Adjuntas, Puerto Rico.[1]