Río Cañas is a river in Ponce, Puerto Rico. It is a tributary of the Río Matilde.

Río Cañas may also refer to: Rivers Río Cañas (Aguada, Puerto Rico), a tributary of the Río Culebrinas Río Cañas (Caguas, Puerto Rico), a tributary of the Río Grande de Loiza Río Cañas (Juana Diaz, Puerto Rico), a river reaching the Caribbean Sea Río Cañas (Mayagüez, Puerto Rico), a tributary of the Río Grande de Añasco Río Cañas (Naranjito, Puerto Rico), a tributary of the Río de la Plata Río Cañas (Sabana Grande, Puerto Rico), a tributary of the Río Loco

Places Río Cañas, Añasco, Puerto Rico, a barrio Río Cañas, Caguas, Puerto Rico, a barrio Río Cañas, Las Marías, Puerto Rico, a barrio Río Cañas Abajo, Juana Díaz, Puerto Rico, a barrio Río Cañas Abajo, Mayagüez, Puerto Rico, a barrio Río Cañas Arriba, Juana Díaz, Puerto Rico, a barrio Río Cañas Arriba, Mayagüez, Puerto Rico, a barrio

See also Cañas River (disambiguation) Canoas River (disambiguation)