| Jurisdiction: | Diocese |
| Culiacán | |
| Latin: | Dioecesis Culiacanensis |
| Local: | Diócesis de Culiacán |
| Country: |  Mexico |
| Metropolitan: | Hermosillo |
| Province: | Province of Hermosillo |
| Area Sqmi: | 14,600 |
| Population: | 2,401,453 |
| Population As Of: | 2006 |
| Catholics: | 2,319,038 |
| Catholics Percent: | 96.6 |
| Parishes: | 70 |
| Denomination: | Roman Catholic |
| Rite: | Roman Rite |
| Established: | 24 May 1883 (years ago) |
| Cathedral: | Cathedral Basilica of Our Lady of the Rosary |
| Bishop: | Jonás Guerrero Corona |
| Emeritus Bishops: | Emigdio Duarte Figueroa |
| Map: | Diócesis de Culiacán.svg |
| Website: | catolicosdeculiacan.com |
The Roman Catholic Diocese of Culiacán (Latin: Dioecesis Culiacanensis) is a suffragan diocese of the Archdiocese of Hermosillo.