| Jurisdiction: | Diocese |
| Maturín | |
| Latin: | Dioecesis Maturinensis |
| Country: | Venezuela |
| Rite: | Latin Rite |
| Established: | 24 May 1958 (years ago) |
| Cathedral: | Catedral Nuestra Señora del Carmen |
| Area Km2: | 28,900 |
| Population: | 700,000 |
| Population As Of: | 2004 |
| Catholics: | 610,000 |
| Catholics Percent: | 87.1 |
The Roman Catholic Diocese of Maturín (Latin: Dioecesis Maturinensis) is a diocese located in the city of Maturín in the ecclesiastical province of Ciudad Bolívar in Venezuela.
On 24 May 1958 Pope Pius XII established the Diocese of Maturín from the Diocese of Ciudad Bolívar.