The Matadero River is a river of Ecuador. It originates in the city of Cuenca where the Tomebamba River merges with the Machángara River. It is a tributary of the Paute River in the drainage basin of the Amazon River.

• List of rivers of Ecuador

• Rand McNally, The New International Atlas, 1993.
• GEOnet Names Server
• Water Resources Assessment of Ecuador

2°53′04″S 78°57′01″W / 2.88444°S 78.95028°W / -2.88444; -78.95028