Fonzaleche is a village and municipality in the province and autonomous community of La Rioja, in northern Spain. It is located in the Ebro Valley region of La Rioja, an area known for its wine production.
The municipality covers an area of 17 square kilometres (6.6 sq mi). As of January 2017, it had a population of 134 people, making it a small and sparsely populated rural community.