Alanís is a municipality in the province of Seville, in the Andalusia region of southern Spain. It lies at an altitude of 660 metres and is about 106 kilometres from the city of Seville.
The municipality covers an area of 280 square kilometres, making it large in extent but sparsely populated. In 2005 its population was 1,937, giving a population density of 6.9 people per square kilometre.