Cabañas de Ebro is a municipality in the province of Zaragoza, in the autonomous community of Aragon, Spain. It lies in the Ebro river valley, from which it takes the second part of its name.
According to the 2004 census carried out by Spain's National Statistics Institute (INE), the municipality had a population of 522 inhabitants. It is one of the many small municipalities that make up the sparsely populated rural interior of Zaragoza province.