Tautou was born in Beaumont in the Puy-de-Dôme department, France, and was raised together with her two sisters and his brother in the city of Montluçon (Allier, Auvergne-Rhône-Alpes). Her father is a dental surgeon, and her mother is a teacher. Tautou started her acting lessons at the Cours Florent, an acting school in Paris.