Guido Ascanio Sforza di Santa Fiora was an Italian cardinal, known also as The cardinal of Santa Fiora.
- Occupation
- Catholic priest, Catholic bishop
- Position held
- cardinal, Chamberlain of the Apostolic Chamber, Roman Catholic Bishop of Montefiascone, apostolic administrator
- Born
- November 26, 1518
- Died
- October 6, 1564