Josep Vallverdú i Aixalà (Catalan pronunciation: [dʒuˈzɛb baʎβeɾˈðu]) (born 1923 in Lleida) is a Catalan poet, novelist, playwright, linguist and essayist. His narrative Rovelló served as basis for a TV-series in TV3 (Catalonia). His works, rich in vocabulary, have been widely used in the Catalan classrooms. Vallverdú won in 1982 the National Spanish Prize in Children's Literature.