List of Catholic dioceses in the United States

The Catholic dioceses and archdioceses of the United States which include both the dioceses of the Latin Church, which employ the Roman Rite and other Latin liturgical rites, and various other dioceses, primarily the eparchies of the Eastern Catholic Churches, which employ various Eastern Christian rites and traditions, and which are in full communion with the Pope in Rome. The Archdiocese for the Military Services, USA is not a metropolitan diocese. 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.^[1]

The Catholic Church in the United States has a total of 196 particular churches in the 50 U.S. states, Washington D.C., and the U.S. Virgin Islands: 33 territorial archdioceses, 144 territorial dioceses, the Archdiocese for the Military Services, USA (serving members of the US Armed Forces and Diplomatic Corps, and those in facilities of the Veterans Administration and their dependents), and the Personal Ordinariate of the Chair of Saint Peter (serving Catholics who were formerly Anglicans) within the Latin Church; and two archeparchies and 16 eparchies in the Eastern Catholic Churches.

There are several other dioceses whose territories cover the United States' unincorporated territories. Puerto Rico has one ecclesiastical province comprising an archdiocese and five dioceses, which together form the Puerto Rican Episcopal Conference, which is separate from the United States Conference of Catholic Bishops.^[2] The dioceses that encompass American Samoa, the Northern Mariana Islands, and Guam are part of the Episcopal Conference of the Pacific.