Tudelilla 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 relatively compact, single-province region in the Ebro valley area of the country's north.
The municipality covers an area of 19.06 square kilometres (7.36 square miles). As of 2011, it had a population of 386 people, making it a small rural community by Spanish standards.