| Type: | Bishop |
| Honorific-Prefix: | Most Reverend |
| Giovanni Tommaso Maria Marelli | |
| Archbishop (Personal Title) of Imola | |
| Church: | Catholic Church |
| Diocese: | Diocese of Imola |
| Term: | 1739–1752 |
| Predecessor: | Giuseppe Accoramboni |
| Successor: | Giovanni Carlo Bandi |
| Ordination: | 21 Dec 1697 |
| Consecration: | 21 Dec 1716 |
| Consecrated By: | Sebastiano Antonio Tanara |
| Birth Date: | 2 Jul 1673 |
| Birth Place: | Robassomero, Italy |
| Death Date: | 9 Feb 1752 (age 78) |
Giovanni Tommaso Maria Marelli, C.O. (1673–1752) was a Roman Catholic prelate who served as Archbishop (Personal Title) of Imola (1739–1752)[1] and Archbishop of Urbino (1716–1739).[2]
Giovanni Tommaso Maria Marelli was born in Robassomero, Italy on 2 Jul 1673 and ordained a priest in the Oratory of Saint Philip Neri on 21 Dec 1697.[3] [4] On 7 Dec 1716, he was appointed during the papacy of Pope Clement XI as Archbishop of Urbino.On 21 Dec 1716, he was consecrated bishop by Sebastiano Antonio Tanara, Cardinal-Bishop of Frascati, with Filippo Carlo Spada, Bishop of Pesaro, and Antonio Polcenigo, Bishop of Feltre, serving as co-consecrators. On 23 Feb 1739, he was appointed during the papacy of Pope Clement XII as Archbishop (Personal Title) of Imola.He served as Archbishop of Imola until his death on 9 Feb 1752.
While bishop, he was the principal co-consecrator of Bartolomeo Fargna, Titular Bishop of Emmaüs (1729).