Gascueña is a municipality in the province of Cuenca, in the autonomous community of Castile-La Mancha, Spain. It is a small rural settlement located in the sparsely populated countryside of the Cuenca province, within the broader Castilian plateau region of central Spain.
The municipality has a population of 158, making it one of the many small villages that characterise this part of Castile-La Mancha. Its administrative status as a municipality means it has its own local governing body, despite its very small size.