The Diocese of Savannah is a Latin Church ecclesiastical territory, or diocese, of the Catholic Church in southern Georgia in the United States. The mother church of the diocese is Cathedral Basilica of Saint John the Baptist in Savannah. The patron saint is John the Baptist.

The Archdiocese of Atlanta is a Latin Church ecclesiastical jurisdiction, or archdiocese, of the Catholic Church in northern Georgia in United States. The archdiocese is led by a prelate archbishop, who also serves as pastor of the mother church, the Cathedral of Christ the King in Atlanta. As of 2023, the archbishop of Atlanta is Gregory Hartmayer.