| Type: | Bishop |
| Honorific-Prefix: | Most Reverend |
| Juan Esteban Ferrero | |
| Bishop of Vercelli | |
| Church: | Catholic Church |
| Diocese: | Diocese of Vercelli |
| Term: | 1599–1610 |
| Predecessor: | Marcantonio Visia |
| Successor: | Giacomo Goria |
| Consecration: | 1 May 1599 |
| Consecrated By: | Federico Borromeo |
| Birth Date: | 3 November 1568 |
| Birth Place: | Biella, Italy |
| Death Date: | 21 September 1610 (age 41) |
| Death Place: | Turin, Italy |
| Previous Post: | Apostolic Nuncio to Emperor (1604–1607) |
Juan Esteban Ferrero, O. Cist. or Giovanni Stefano Ferrero (1568–1610) was a Roman Catholic prelate who served as Bishop of Vercelli (1599–1610) and Apostolic Nuncio to Emperor (1604–1607).[1] [2]
Juan Esteban Ferrero was born in Biella, Italy on 3 November 1568 and ordained a priest in the Cistercian Order.[3] On 29 March 1599, he was appointed during the papacy of Pope Clement VIII as Bishop of Vercelli.On 1 May 1599, he was consecrated bishop by Federico Borromeo (seniore), Archbishop of Milan, with Fabio Biondi, Titular Patriarch of Jerusalem, and Carlo Conti, Bishop of Ancona e Numana, serving as co-consecrators. On 20 January 1604, he was appointed during the papacy of Pope Clement VIII as Apostolic Nuncio to Emperor; he resigned on 3 May 1607.He served as Bishop of Vercelli until his death on 21 September 1610.