| Type: | Bishop |
| Honorific-Prefix: | Most Reverend |
| Filippo Alferio Ossorio | |
| Bishop of Fondi | |
| Church: | Catholic Church |
| Diocese: | Diocese of Fondi |
| Term: | 1669–1693 |
| Predecessor: | Simone Oliverio |
| Successor: | Matteo Gagliani |
| Consecration: | 7 April 1669 |
| Consecrated By: | Francesco Maria Brancaccio |
| Birth Date: | 1634 |
| Birth Place: | L'Aquila, Italy |
| Death Date: | 24 February 1693 (age 59) |
| Death Place: | Fondi, Italy |
Filippo Alferio Ossorio (1634 – 24 February 1693) was a Roman Catholic prelate who served as Bishop of Fondi (1669–1693).[1] [2] [3] [4] [5]
Filippo Alferio Ossorio was born in L'Aquila, Italy in 1634.On 1 April 1669, he was appointed during the papacy of Pope Clement IX as Bishop of Fondi. On 7 April 1669, he was consecrated bishop by Francesco Maria Brancaccio, Cardinal-Bishop of Frascati, with Stefano Brancaccio, Titular Archbishop of Hadrianopolis in Haemimonto, and Emmanuele Brancaccio, Bishop of Ariano, serving as co-consecrators.He served as Bishop of Fondi until his death on 24 February 1693.