Boecillo is a municipality located in the province of Valladolid, Castile and León, Spain. As of 2018, the population is 4,154.

It has its own casino, opened in 1986.^{[citation needed]} It is located in the Palace of Condes de Gamazo, neoclassical building of the late nineteenth century, and was the residence of Germán Gamazo.^{[citation needed]}

The Mayor is Pedro Luis Díez Ortega of the People's Party.

Its technology park is one of the most important in northern Spain. It contains different companies, including a firm that collaborates with NASA, whose director is the Spanish astronaut Pedro Duque. ^{[citation needed]}

• Cuisine of the province of Valladolid

41°32′N 4°42′W / 41.533°N 4.700°W / 41.533; -4.700