Berceruelo is a municipality in Spain, located in the province of Valladolid within the autonomous community of Castile and León.
It is a very small settlement: according to the 2004 census conducted by Spain's national statistics institute (INE), the municipality had a population of 41 inhabitants.
Berceruelo is one of many sparsely populated rural municipalities that make up the province of Valladolid, a province in the northern interior of the country whose administrative centre is the city of Valladolid.