Giuseppe Valerio "Giusva" Fioravanti is an Italian former terrorist, who, with Francesca Mambro, was a leading figure in a far right terrorist group Nuclei Armati Rivoluzionari ("Armed Revolutionary Nuclei" or NAR). Fioravanti appeared in films and television from a young age, and in his early teens was the most famous child star in Italy.

His father was a television presenter. As a child actor, Fioravanti starred in a popular series of the 1960s, "La famiglia Benvenuti, with Enrico Maria Salerno and Valeria Valeri playing his parents roles. His debut appearance was in a Spaghetti Western Cjamango (1967) at the age of nine.