List of Catholic dioceses in the United States

The Personal Ordinariate of the Chair of Saint Peter, with territory that extends over the United States and Canada, was established on January 1, 2012, for former Anglicans who join the Catholic Church.

[2] The dioceses that encompass American Samoa, the Northern Mariana Islands, and Guam are part of the Episcopal Conference of the Pacific.

Likewise, each archeparch is also the metropolitan of an ecclesiastical province that encompasses all of the eparchies of the same sui iuris particular church in the United States.

[3] The sui iuris Ukrainian Greek Catholic Church in the US has an ecclesiastical province consisting of an archeparchy and three eparchies, and the sui iuris Ruthenian Greek Catholic Church has an ecclesiastical province consisting of an archeparchy and three eparchies; the boundaries of these jurisdictions also generally conform to those of states.

Episcopal Conference of the Pacific Members of the Armed Forces of the United States and their dependents, employees of the US Veterans Health Administration and its patients, and Americans in civil service overseas, including the Nation's diplomatic corps and their dependents, both Catholics of the Latin Church and Eastern Churches, are served by the Archdiocese for the Military Services, USA.

The Ukrainian Greek Catholic Church in the United States is organized into a metropolia (province) comprising a metropolitan archeparchy and three suffragan eparchies.

The Ruthenian Greek Catholic Church in the United States is organized into the sui iuris Province of Pittsburgh, consisting of a metropolitan archeparchy and three suffragan eparchies.