| Jurisdiction: | Diocese |
| Concordia | |
| Latin: | Dioecesis Foroconcordianus |
| Local: | Diócesis de Concordia |
| Country: |  Argentina |
| Metropolitan: | Paraná |
| Province: | Paraná |
| Area Km2: | 15,000 |
| Population: | 303,000 |
| Population As Of: | 2006 |
| Catholics: | 272,000 |
| Catholics Percent: | 89.8 |
| Parishes: | 30 |
| Denomination: | Roman Catholic |
| Rite: | Roman Rite |
| Established: | 10 April 1961 (years ago) |
| Cathedral: | Cathedral of St Anthony of Padua in Concordia |
| Bishop: | Luis Armando Collazuol |
| Bishop Title: | Bishop |
| Metro Archbishop: | Juan Alberto Puiggari |
| Website: | Website of the Diocese |
The Roman Catholic Diocese of Concordia (erected 10 April 1961) is in Argentina and is a suffragan of the Archdiocese of Paraná.