The Matarranya (, ) is a 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 BenifassÃÂ.
The Matarranya flows roughly from south to north into the Ebro (Ebre), 4 km east of Faió (Fayón). This river gives its name to the Matarranya Catalan language-speaking comarca of Aragon.