Francesco "Nino" Castelnuovo (28 October 1936 - 6 September 2021) was an Italian actor of film, stage, and television. Castelnuovo appeared as Guy Foucher in the French-language musical film The Umbrellas of Cherbourg (1964) and as D'Agostino in the romantic-drama The English Patient (1996). His other films include the drama Rocco and His Brothers (1960), the sexploitation Camille 2000 (1969), the black-comedy L'emmerdeur (A Pain in the ..., 1973), the giallo film Il prato macchiato di rosso (1973), and the spaghetti-westerns Massacre Time (1966) and The Five Man Army (1969).
