Bona of Savoy, Duchess of Savoy (died 1503)

Bona of Savoy, was Duchess of Milan as the second wife of Galeazzo Maria Sforza (1444–1476), Duke of Milan. Following her husband's assassination in 1476, she served as regent of Milan for her son, Gian Galeazzo Sforza, during his minority from 1476 to 1481.