The Matarranya (Spanish: Río Matarraña, Catalan: Riu Matarranya) is a 100 km long river in the provinces of Teruel and Zaragoza, Aragon, Spain. It begins its course at 1,200 m northeast of the Tossal d Encanader, Ports de Beseit. limestone massif near La Pobla de Benifassà.
The Matarranya flows roughly from south to north into the Ebro, 4 km east of Faió (Fayón). This river gives its name to the Matarranya Catalan language-speaking comarca of Aragon.
