| Jurisdiction: | Diocese |
| Ponta Grossa | |
| Latin: | Dioecesis Ponta Grossa |
| Local: | Diocese de Ponta Grossa |
| Country: | Brazil |
| Rite: | Latin Rite |
| Established: | 10 May 1926 (years ago) |
| Cathedral: | Cathedral of St Anne in Ponta Grossa |
| Area Km2: | 23,462 |
| Population: | 643,339 |
| Population As Of: | 2004 |
| Catholics: | 546,838 |
| Catholics Percent: | 85.0 |
| Bishop: | Sérgio Arthur Braschi |
| Metro Archbishop: | José Antônio Peruzzo |
| Website: | www.diocesepontagrossa.com.br |
The Diocese of Ponta Grossa (Latin: Dioecesis Ponta Grossa) is a territorial division of the Catholic Church in the state of Paraná, Brazil. It was created in 1926 by Papal bull Quum in Dies Numerus of Pope Pius XI, with bula Quum in numerus. It is a suffragan diocese of Archdiocese of Curitiba. The fifth and current Diocesan Bishop is Bishop Sergio Arthur Braschi.
It is the largest centre of vocations throughout the Paraná, responsible for 40% of all priests present in Parana.
The Diocese of Ponta Grossa is composed of 13 cities: Carambeí, Castro, Imbituva, Ipiranga, Ponta Grossa, Telêmaco Borba, Ortigueira, Reserva, Tibagi, Ivaí, Piraí do Sul, Teixeira Soares, Fernandes Pinheiro, Ventania, Irati, Guamiranga, and Imbaú.