Institució de les Lletres Catalanes (Institute of Catalan Letters) is a Spanish organization based in Barcelona. An entity of the Government of Catalonia, it was founded in 1937 by intellectuals who were loyal to the Republic during the Spanish Civil War. Its immediate predecessor was the Grup Sindical d'Escriptors Catalans (Association of Catalan Writers Group; 1936). The institute was initially set up in four sections: