Barbuñales is a municipality in the province of Huesca, in the Aragon region of Spain. It is a small, rural settlement in this part of northern Spain.
According to the 2004 census (INE), the municipality had a population of 116, reflecting the low population density typical of many villages in the area.
Barbuñales is notable as the birthplace and place of death of the naturalist Félix de Azara.