| Type: | Bishop |
| Honorific-Prefix: | Most Reverend |
| Giulio Diotallevi | |
| Bishop of Strongoli | |
| Church: | Catholic Church |
| Diocese: | Diocese of Strongoli |
| Term: | 1637–1638 |
| Predecessor: | Sallustio Bartoli |
| Successor: | Carlo Diotallevi |
| Consecration: | 20 Decem 1637 |
| Consecrated By: | Alessandro Cesarini (iuniore) |
| Birth Date: | 1602 |
| Death Date: | September 1638 (age 36) |
| Nationality: | Italian |
Giulio Diotallevi (1602 – September 1638) was a Roman Catholic prelate who served as Bishop of Strongoli (1637–1638).[1]
Giulio Diotallevi was born in Rimini, Italy in 1602.[2] On 14 December 1637, he was appointed during the papacy of Pope Urban VIII as Bishop of Strongoli.On 20 December 1637, he was consecrated bishop by Alessandro Cesarini (iuniore), Bishop of Viterbo e Tuscania, with Angelo Cesi, Bishop of Rimini, and Giovanni Battista Scanaroli, Titular Bishop of Sidon, serving as co-consecrators. He served as Bishop of Strongoli until his death in September 1638.