| Archbishop Name: | Guillermo José Garlatti |
| Dipstyle: | His Very Reverend Excellency |
| Offstyle: | Monsignor |
Guillermo José Garlatti is an Argentine prelate of the Catholic Church was the archbishop of Bahía Blanca from 2004 to 2017. He has been a bishop since 1994.
He was born in Forgaria nel Fiurle, Udine, Northern Italy on July 12, 1940. His parents moved with him to La Plata, Argentina when he was a child, where he completed his primary and secondary education. He is fluent in Spanish, Italian and Latin.
He studied at the local seminary, and was ordained as a priest on July 5, 1964, at St. Cajetan Church. He obtained a degree in Theology at Universidad Católica Argentina and served as Prefect at St. Joseph Seminary.
He moved to Jerusalem where he completed biblical studies, which he then taught at the Pontifical Biblical Institute in Rome.
He was ordained a bishop in 1994 with title to the ancient see at Acque Regie and serving as auxiliary bishop of the Archdiocese of La Plata. On February 20, 1997, he was named bishop of San Rafael in Mendoza Province, Argentina.
On March 11, 2003, he was named Archbishop of the Archdiocese of Bahía Blanca, succeeding Rómulo García, taking his seat on May 10, 2004. He is an active member of the Argentine National Episcopal Conference. His received his pallium from Pope John Paul II in Saint Peter's Square on June 28, 2004.