| Cuesta Arriba River | |
| Subdivision Type1: | Commonwealth |
| Subdivision Name1: | Puerto Rico |
| Subdivision Type2: | Municipality |
| Subdivision Name2: | Bayamón |
| Source1 Elevation: | 161 ft. |
The Cuesta Arriba River (Spanish; Castilian: Río Cuesta Arriba) is a river of Bayamón and Aguas Buenas in Puerto Rico.