| Type: | Bishop |
| Alessandro Carmelo Ruffinoni C.S. | |
| Bishop Emeritus of Caxias do Sul | |
| Church: | Roman Catholic Church |
| See: | Roman Catholic Diocese of Caxias do Sul |
| Term: | 2011–2019 |
| Predecessor: | Nei Paulo Moretto |
| Successor: | Jose Gilson, O.F.M. Cap. |
| Ordination: | March 8, 1970 |
| Consecration: | March 17, 2006 |
| Consecrated By: | Archbishop Dadeus Grings |
| Birth Date: | August 26, 1943 |
| Birth Place: | Piazza Brembana, |
| Nationality: | Italian |
| Religion: | Roman Catholic Church |
| Occupation: | Bishop |
| Profession: | priest |
| Coat Of Arms: | Brasão episcopal de Dom Alessandro Carmelo Ruffinoni.jpg |
| Motto: | Na Igreja ninguém é estrangeiro In the Church nobody is stranger |
| Alessandro Carmelo Ruffinoni | |
| Deathstyle: | none |
Alessandro Carmelo Ruffinoni is the retired bishop of Caxias do Sul and a Scalabrinian priest.
Born in Piazza Brembana in 1943, fourth of five children, he completed his studies between Rezzato and Cermenate. He entered the Scalabrinian Congregation in 1961, to be ordained priest on 8 March 1970. He left Italy for Brazil as a missionary in following November.
From 1988 to 1998 he was director of the Centro Missionero P. Luigi Valtulini in Ciudad del Este, Paraguay; and from 1999 to 2004 he was provincial superior in Brazil.
Elected titular bishop of Furnos Maior in 2006, he was ordained as auxiliary bishop of Porto Alegre on 17 March 2006, and moved to Caxias do Sul as coadjutor bishop[1] on 16 June 2010.
He succeeded the see on 6 July 2011, and remained in office until 26 June 2019 when Pope Francis accepted his resignation.