Villar de Rena is a municipality in the province of Badajoz, within the autonomous community of Extremadura in western Spain. It is one of the many small municipalities that make up this largely rural region, which borders Portugal to the west.
According to the 2006 census conducted by Spain's National Statistics Institute (INE), the municipality had a population of 1,506 inhabitants. This figure places Villar de Rena among the smaller population centres of the province of Badajoz.