Cárdenas is a village and municipality in the province and autonomous community of La Rioja, in northern Spain. It is one of the many small settlements that make up this wine-producing region in the Ebro valley.
The municipality covers an area of just 3.98 square kilometres (1.54 square miles), making it one of the smallest by land area in La Rioja. As of 2011, it had a population of 182 people, reflecting the sparse settlement pattern typical of the region's rural villages.