| Type: | Bishop |
| Aldo Mongiano, I.M.C. | |
| Bishop of Diocese of Roraima (emeritus) | |
| Church: | Roman Catholic Church |
| Diocese: | Bishop of Diocese of Roraima(emeritus) |
| See: | Diocese of Roraima |
| Term: | 1979–1996 |
| Predecessor: | Servílio Conti |
| Successor: | Apparecido José Dias |
| Ordination: | 3 June 1943 |
| Birth Date: | 1 November 1919 |
| Birth Place: | Pontestura, Italy |
| Death Place: | Moncalvo, Italy |
| Previous Post: | Priest |
Aldo Mongiano, IMC (1 November 1919 – 15 April 2020) was an Italian-born Brazil-based bishop of the Roman Catholic Church.Mongiano was born in Pontestura, Italy, and was ordained a priest on 3 June 1943, from the religious order of the Consolata Missionaries. Mongiano was appointed bishop of the Diocese of Roraima as well as Titular bishop of Nasai on 14 May 1975, and consecrated on 5 October 1975. He resigned as Titular bishop of Nasai and was appointed bishop of Roraima on 4 December 1979. Mongiano retired from the Roraima Diocese on 26 June 1996.[1] Mongiano died on 15 April 2020 at the age of 100 from complications from a broken femur.[2]