| Jurisdiction: | Diocese |
| São José dos Pinhais | |
| Latin: | Dioecesis Sancti Iosephi Pinealensis |
| Local: | Diocese de São José dos Pinhais |
| Country: | Brazil |
| Province: | Curitiba |
| Denomination: | Catholic Church |
| Sui Iuris Church: | Latin Church |
| Rite: | Roman Rite |
| Established: | 6 December 2006 (years ago) |
| Cathedral: | Cathedral of St Joseph in São José dos Pinhais |
| Area Km2: | 7,172 |
| Population: | 725,000 |
| Population As Of: | 2010 |
| Catholics: | 517,000 |
| Catholics Percent: | 71.3 |
| Website: | www.diocesesjp.org.br |
The Diocese of São José dos Pinhais (Latin: Dioecesis Sancti Iosephi Pinealensis) is a Latin Church ecclesiastical jurisdiction or diocese of the Catholic Church in Brazil. It is a suffragan in the ecclesiastical province of the metropolitan Archdiocese of Curitiba.
Its cathedral is Catedral de São José, dedicated to Saint Joseph, in the city of São José dos Pinhais in Paraná state.
As per 2015, it pastorally served 667,752 Catholics (79.9% of 835,575 total) on 7,186 km² in 38 parishes with 75 priests (34 diocesan, 41 religious), 45 deacons, 190 lay religious (85 brothers, 105 sisters) and 10 seminarians.