| Honorific-Prefix: | Most Reverend |
| Flaminio Filonardi | |
| Bishop of Aquino | |
| Church: | Catholic Church |
| Diocese: | Diocese of Aquino |
| Term: | 1579–1608 |
| Predecessor: | Giovanni Luigi Guarini |
| Successor: | Filippo Filonardi |
| Consecration: | 8 December 1579 |
| Consecrated By: | Giulio Antonio Santorio |
| Death Date: | 12 September 1608 |
| Death Place: | Aquino, Italy |
Flaminio Filonardi (died 12 September 1608) was a Roman Catholic prelate who served as Bishop of Aquino (1579–1608).[1]
On 13 November 1579, Flaminio Filonardi was appointed during the papacy of Pope Gregory XIII as Bishop of Aquino. On 8 December 1579, he was consecrated bishop by Giulio Antonio Santorio, Cardinal-Priest of San Bartolomeo all'Isola, with Fabio Mirto Frangipani, Titular Archbishop of Nazareth, Massimiliano Palumbara, Archbishop of Benevento, and Giovanni Battista Santorio, Bishop of Alife, serving as co-consecrators. He served as Bishop of Aquino until his death on 12 September 1608.
While bishop, he was the principal co-consecrator of: