| Cuyón River | |
| Subdivision Type1: | Commonwealth |
| Subdivision Name1: | Puerto Rico |
| Subdivision Type2: | Municipality |
| Subdivision Name2: | Aibonito |
| Source1 Elevation: | 354 ft. |
The Cuyón River (Spanish; Castilian: Río Cuyón) is a river of Aibonito that also passes through Coamo in Puerto Rico.