Aguilar de Campos is a municipality in Spain, located in the province of Valladolid within the autonomous community of Castile and León.
It is a small rural municipality, with a population recorded as 337 inhabitants in the 2004 census conducted by Spain's National Statistics Institute (INE).
The town lies in the Campos region of Castile, an area of the Iberian Peninsula historically associated with open farmland and a continental climate.