Sebastià Juan i Arbó (Catalan pronunciation: [səβəstiˈa ʒuˈan i əɾˈβo]; 28 October 1902 – 3 January 1984) was a Spanish novelist and playwright.

[2] Born into a peasant family, at age eight Juan moved with his parents to Amposta, and at twelve and worked in an office.

In 1933, he published Notes d'un estudiant que va morir boig ('Notes From a Student That Went Insane'), followed by Camins de nit ('Night Roads') in 1935.

From 1948, he wrote works in Spanish such as Sobre las piedras grises ('Under the Grey Stones', 1948) which won the Nadal Prize for novels, and especially Martin Masks (1959).

In his later years he returned to publishing in Catalan: Narracions d'Delta ('Narrations from the Delta', 1965), L'espera ('Hope', 1948), and La Masia ('The Country House', 1975).