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