Award Prix Mondello

Légion d'Honneur (Commandeur, 1981)

American Academy of Arts and Letters (Honorary Member, 1975)

World Fantasy Award (Life Achievement, 1982)

Austrian State Prize for European Literature (1976)

Premio Feltrinelli (1973)

Prix Médicis étranger (1974)

Asti Prize (1970)

Ditmar Award (1970)

International Charles Veillon Prize (1963)

Salento Prize (1960)

Bagutta Prize (1959)

Viareggio Prize (1957)

Saint-Vincent Prize (1952)

Riccione Prize (1947)

l'Unità Prize (1946)