| Jurisdiction: | Diocese |
| Ciudad Obregón | |
| Latin: | Dioecesis Civitatis Obregonensis |
| Local: | Diócesis de Ciudad Obregón |
| Country: |  Mexico |
| Metropolitan: | Ciudad Obregón |
| Province: | Province of Hermosillo |
| Area Sqmi: | 34,125 |
| Population: | 1,031,000 |
| Population As Of: | 2006 |
| Catholics: | 889,000 |
| Catholics Percent: | 86.2 |
| Parishes: | 58 |
| Denomination: | Roman Catholic |
| Rite: | Roman Rite |
| Established: | 20 June 1959 (years ago) |
| Cathedral: | Cathedral of the Sacred Heart of Jesus |
| Bishop: | Rutilo Felipe Pozos Lorenzini |
| Bishop Title: | Bishop elect |
| Map: | Roman Catholic Diocese of Ciudad Obregon in Mexico.jpg |
The Roman Catholic Diocese of Ciudad Obregón (Latin: Dioecesis Civitatis Obregonensis) (erected 20 June 1959). It is centered in Ciudad Obregón, Sonora, Mexico. It is a suffragan diocese of the Archdiocese of Hermosillo. Along with the Archdiocese of Chihuahua and the Diocese of Ciudad Juárez, it yielded territory in 1966 to form the Territorial Prelature of Madera.