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.

The Cathedral of Christ the King in Atlanta, Georgia is the mother-church for the one million members of the Catholic Archdiocese of Atlanta. The cathedral is located at what is popularly called "Jesus Junction" on Peachtree Road, between East Wesley Road and Peachtree Road, in Atlanta's uptown Buckhead district. At present, the parish is one of the ten largest congregations in the United States, with over 5,500 families. Christ the King School also occupies the property, with an enrollment of approximately 600 students.