The Archdiocese of Saint Paul and Minneapolis is a Latin Church ecclesiastical jurisdiction or diocese of the Catholic Church in the United States. It is led by an archbishop who administers the archdiocese from the cities of Saint Paul and Minneapolis. The archbishop has both a cathedral and co-cathedral: the mother church – the Cathedral of Saint Paul in Saint Paul, and the co-cathedral, the Basilica of Saint Mary in Minneapolis.

The Cathedral of Saint Paul is a Roman Catholic cathedral in the city of Saint Paul, Minnesota. It is the co-cathedral of the Archdiocese of Saint Paul and Minneapolis, along with the Basilica of Saint Mary in Minneapolis. One of the most distinctive cathedrals in the United States, it sits on Cathedral Hill overlooking downtown Saint Paul and features a distinctive copper-clad dome. It is dedicated to Paul the Apostle, who is also the namesake of the City of Saint Paul. The current building opened in 1915 as the fourth cathedral of the archdiocese to bear this name. On March 25, 2009, it was designated as the National Shrine of the Apostle Paul by the United States Conference of Catholic Bishops. It is the third-largest Catholic cathedral and sixth-largest church in the United States.