Leganiel is a municipality in the province of Cuenca, within the autonomous community of Castile-La Mancha, Spain. It is located in the central-eastern part of the country, in the region historically known as La Alcarria.
The municipality has a recorded population of 224. Like many small settlements in rural Castile-La Mancha, it is characterised by a low population density and a setting within the region's characteristic plateau and agricultural landscape.
Leganiel is one of the numerous small municipalities that make up the province of Cuenca, a province whose administrative capital is the city of Cuenca. The surrounding area is part of the broader Castilian plateau, a region known for its dry, continental climate and its historic towns and villages.