List of Catholic dioceses in Argentina

The Catholic Church in Argentina comprises fourteen ecclesiastical provinces each headed by a Metropolitan archbishop. The provinces are in turn subdivided into 48 dioceses and 14 archdioceses each headed by a bishop or an archbishop.

Latin Exempt Jurisdictions

 * Military Bishopric of Argentina

Ecclesiastical province of Bahía Blanca

 * Metropolitan Archdiocese of Bahía Blanca
 * Diocese of Alto Valle del Río Negro
 * Diocese of Comodoro Rivadavia
 * Diocese of Rawson
 * Diocese of Río Gallegos
 * Diocese of San Carlos de Bariloche
 * Diocese of Santa Rosa
 * Diocese of Viedma
 * Territorial Prelature of Esquel

Ecclesiastical province of Buenos Aires

 * Metropolitan Archdiocese of Buenos Aires
 * Diocese of Avellaneda-Lanús
 * Diocese of Gregorio de Laferrère
 * Diocese of Lomas de Zamora
 * Diocese of Morón
 * Diocese of Quilmes
 * Maronite Eparchy of San Charbel en Buenos Aires
 * Diocese of San Isidro
 * Diocese of San Justo
 * Diocese of San Martín
 * Diocese of San Miguel
 * Ukrainian Catholic Eparchy of Santa María del Patrocinio en Buenos Aires

Ecclesiastical province of Córdoba

 * Metropolitan Archdiocese of Córdoba
 * Diocese of Cruz del Eje
 * Diocese of Villa de la Concepción del Río Cuarto
 * Diocese of San Francisco
 * Diocese of Villa María
 * Territorial Prelature of Deán Funes

Ecclesiastical province of Corrientes

 * Metropolitan Archdiocese of Corrientes
 * Diocese of Goya
 * Diocese of Oberá
 * Diocese of Posadas
 * Diocese of Puerto Iguazú
 * Diocese of Santo Tomé

Ecclesiastical province of La Plata

 * Metropolitan Archdiocese of La Plata
 * Diocese of Azul
 * Diocese of Chascomús
 * Diocese of Mar del Plata

Ecclesiastical province of Mercedes–Luján

 * Archdiocese of Mercedes–Luján
 * Diocese of Merlo-Moreno
 * Diocese of Nueve de Julio
 * Diocese of Zárate-Campana

Ecclesiastical province of Mendoza

 * Metropolitan Archdiocese of Mendoza
 * Diocese of Neuquén
 * Diocese of San Rafael

Ecclesiastical province of Paraná

 * Metropolitan Archdiocese of Paraná
 * Diocese of Concordia
 * Diocese of Gualeguaychú

Ecclesiastical province of Resistencia

 * Metropolitan Archdiocese of Resistencia
 * Diocese of Formosa
 * Diocese of San Roque de Presidencia Roque Sáenz Peña

Ecclesiastical province of Rosario

 * Metropolitan Archdiocese of Rosario
 * Diocese of San Nicolás de los Arroyos
 * Diocese of Venado Tuerto

Ecclesiastical province of Salta

 * Metropolitan Archdiocese of Salta
 * Diocese of Catamarca
 * Diocese of Jujuy
 * Diocese of Orán
 * Territorial Prelature of Cafayate
 * Territorial Prelature of Humahuaca

Ecclesiastical province of San Juan de Cuyo

 * Metropolitan Archdiocese of San Juan de Cuyo
 * Diocese of La Rioja
 * Diocese of San Luis

Ecclesiastical province of Santa Fe de la Vera Cruz

 * Metropolitan Archdiocese of Santa Fe de la Vera Cruz
 * Diocese of Rafaela
 * Diocese of Reconquista

Ecclesiastical province of Tucumán

 * Metropolitan Archdiocese of Tucumán
 * Diocese of Añatuya
 * Diocese of Concepción
 * Diocese of Santiago del Estero

Eastern Catholic Sui iuris Jurisdictions

 * Eparchy of San Gregorio de Narek en Buenos Aires
 * Melkite Catholic Apostolic Exarchate of Argentina
 * Ordinariate for Eastern Catholics in Argentina (other Eastern Catholic rites)