The Roman Catholic Archdiocese of Curitiba (Latin: Archidioecesis Curitibensis) is a Latin Rite Metropolitan archdiocese in Paraná, southern Brazil.

Its cathedral archiepiscopal see is a Minor Basilica: Catedral Metropolitana Basílica Nossa Senhora da Luz dos Pinhais, dedicated to Our Lady of the Candles, in Curitiba.

As per 2014, it pastorally served 1,835,000 Catholics (71.6% of 2,562,464 total) on 5,751 km2 in 135 parishes and 572 missions with 407 priests (100 diocesan, 307 religious), 70 deacons, 1,527 lay religious (614 brothers, 913 sisters) and 33 seminarians.

The Metropolitan has the following suffragan sees : (all Roman rite) Under each Ordinary is listed the auxiliary bishops whose tenure as such began during the tenure of such Ordinary.