Navardún is a municipality in the province of Zaragoza, in the autonomous community of Aragon, Spain. It is located in the comarca of Cinco Villas, in the northwestern part of the province near the border with Navarre.
The municipality is sparsely populated, with a 2004 census (INE) recording 54 inhabitants. Like many small Aragonese villages, it is set in a rural landscape of rolling terrain and farmland.