The Roman Catholic Diocese of Catamarca () is in Argentina and is a suffragan of the Archdiocese of Salta. , its bishop is Luis Urbanč

History On 21 January 1910, Saint Pius X established the Diocese of Catamarca from the Diocese of Tucumán. It lost territory to the Territorial Prelature of Cafayate when it was created in 1969,.

Ordinaries Bernabé Piedrabuena (1910–1923), appointed Bishop of Tucumán Inocencio Dávila y Matos (1927–1930) Vicente Peira (1932–1934) Carlos Francisco Hanlon, C.P. (1934–1959) Adolfo Servando Tortolo (1960–1962), appointed Archbishop of Paraná Alfonso Pedro Torres Farías, O.P. (1962–1988) Elmer Osmar Ramón Miani (1989–2007) Luis Urbanč (since 2007)

Territorial losses Year Along with To form 1969 Archdiocese of Salta Territorial Prelature of Cafayate

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