Cantabrana is a municipality in the province of Burgos, within the autonomous community of Castile and León, Spain. It is one of the small rural settlements that make up this sparsely populated part of northern Spain.
The municipality is notable for its very small population. According to the 2004 census conducted by Spain's National Statistics Institute (INE), Cantabrana had 39 inhabitants. This figure reflects the broader pattern of depopulation seen across many villages in the Burgos countryside.