| Jurisdiction: | Diocese |
| Paranaguá | |
| Latin: | Dioecesis Paranaguensis |
| Local: | Diocese de Paranaguá |
| Country: | Brazil |
| Rite: | Latin Rite |
| Established: | 21 July 1962 (years ago) |
| Cathedral: | Catedral de Nossa Senhora do Santíssimo Rosário in Paranaguá |
| Area Km2: | 12,992 |
| Population: | 386,041 |
| Population As Of: | 2004 |
| Catholics: | 263,830 |
| Catholics Percent: | 68.3 |
| Patron: | Our Lady of the Rosary |
| Bishop: | Edmar Paron |
| Metro Archbishop: | José Antônio Peruzzo |
| Website: | Website of the Diocese |
The Roman Catholic Diocese of Paranaguá (Latin: Dioecesis Paranaguensis) is a diocese located in the city of Paranaguá in the ecclesiastical province of Curitiba in Brazil.