Leiva 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 the country, within the comarca of Santo Domingo de la Calzada.
The municipality covers an area of 12.71 square kilometres (4.91 square miles). As of 2011, it had a population of 304 people, making it a small, sparsely populated rural community typical of the villages scattered across La Rioja.