Luesma is a municipality in the province of Zaragoza, within the autonomous community of Aragon, Spain. It is located in the comarca of Campo de Daroca, in the southwestern part of the province.
The municipality is sparsely populated, with a recorded population of 40 inhabitants according to the 2004 census (INE). Like many small settlements in rural Aragon, it covers a modest land area and is surrounded by the characteristic dry, hilly terrain of the region.
Luesma's small size and low population make it representative of the depopulated rural municipalities found across inland Aragon. It is situated near other small villages in the Campo de Daroca area, a comarca known for its historic architecture and quiet countryside.