| Jurisdiction: | Diocese |
| Cametá | |
| Latin: | Dioecesis Cametanensis |
| Local: | Diocese de Cametá |
| Country: | Brazil |
| Province: | Belém do Pará |
| Denomination: | Catholic Church |
| Sui Iuris Church: | Latin Church |
| Rite: | Roman Rite |
| Established: | 29 November 1952 (years ago) |
| Cathedral: | Cathedral of St John the Baptist in Cametá |
| Area Km2: | 47,758 |
| Population: | 459,000 |
| Population As Of: | 2012 |
| Catholics: | 348,000 |
| Catholics Percent: | 75.8 |
| Parishes: | 10 |
| Bishop: | Vacant |
| Metro Archbishop: | Alberto Taveira Corrêa |
The Diocese of Cametá (Latin: Cametanensis) is a Latin Church ecclesiastical territory or diocese of the Catholic Church in Brazil's Pará state.
Its cathedral is Catedral São João Batista (Sant John the Baptist), and is in the episcopal see of Cametá. The Diocese of Cametá is a suffragan diocese in the ecclesiastical province of the metropolitan Archbishop of Belém do Pará
On November 29, 1952, the Territorial Prelature of Cametá was established on territory split off from the Metropolitan Roman Catholic Archdiocese of Belém do Pará, its present Metropolitan.
On February 6, 2013, Pope Benedict XVI promoted the Territorial Prelature to Diocese, and named its last Prelate, Bishop Jesús María Cizaurre Berdonces, O.A.R., as the first Bishop.[1]