Federico Auditore da Firenze (1456 – 1476) was a Florentine noble and a member of the Italian Brotherhood of Assassins, trained into the Brotherhood by his father. He was also the eldest son of Giovanni and Maria Auditore da Firenze, as well as the elder brother of Ezio, Claudia, and Petruccio. Following this, Federico was the nephew of Mario Auditore.