Alamillo is a municipality in the province of Ciudad Real, within the autonomous community of Castile-La Mancha, Spain. It is one of the many small towns that make up this sparsely populated region of central Spain, situated in the historic territory of La Mancha.
The municipality has a population of 674. As a Spanish municipality, it functions as a basic unit of local administration, with its own local government responsible for the day-to-day running of the town and its surrounding area.
Like much of Ciudad Real province, Alamillo is a small rural community whose character is shaped by the wider Castilian landscape of the region. Its modest population places it among the smaller settlements of Castile-La Mancha.