Hoz de Jaca is a municipality in the province of Huesca, in the autonomous community of Aragon, Spain. It is located in the northeastern part of the country, within the Pyrenean region of Huesca.
The municipality is small in population: according to the 2004 census carried out by the Instituto Nacional de Estadística (INE), it had 74 inhabitants. This makes it one of the many sparsely populated rural municipalities characteristic of the Aragonese Pyrenees.
As a municipality, Hoz de Jaca holds the administrative status of a local entity within the Spanish system of local government, falling under the province of Huesca and the wider framework of Aragon.