| Type: | Bishop |
| Honorific-Prefix: | Most Reverend |
| Costanzo Zani | |
| Bishop of Imola | |
| Church: | Catholic Church |
| Diocese: | Diocese of Imola |
| Term: | 1672–1694 |
| Predecessor: | Francesco Maria Ghislieri |
| Successor: | Taddeo Luigi dal Verme |
| Consecration: | 18 Sep 1672 |
| Consecrated By: | Cesare Facchinetti |
| Birth Date: | 1622 |
| Birth Place: | Rome, Italy |
| Death Date: | 16 Jun 1694 (age 72) |
Costanzo Zani, O.S.B. (1622–1694) was a Roman Catholic prelate who served as Bishop of Imola (1672–1694).[1]
Costanzo Zani was born in Rome, Italy in 1622 and ordained a priest in the Order of Saint Benedict.[2] On 12 Sep 1672, he was appointed during the papacy of Pope Clement X as Bishop of Imola.On 18 Sep 1672, he was consecrated bishop by Cesare Facchinetti, Bishop of Spoleto. He served as Bishop of Imola until his death on 16 Jun 1694.
While bishop, he was the principal co-consecrator of: