| Jurisdiction: | Diocese |
| Nuevo Casas Grandes | |
| Latin: | Dioecesis Neograndicasensis |
| Local: | Diócesis de Nuevo Casas Grandes |
| Country: | Mexico |
| Metropolitan: | Nuevo Casas Grandes |
| Province: | Province of Chihuahua |
| Area Sqmi: | 14,028 |
| Population: | 143,991 |
| Population As Of: | 2004 |
| Catholics: | 98,993 |
| Catholics Percent: | 68.7 |
| Parishes: | 13 |
| Denomination: | Roman Catholic |
| Rite: | Roman Rite |
| Established: | 13 April 1977 (years ago) |
| Cathedral: | Cathedral of the Miraculous Medal |
| Bishop: | Jesús José Herrera Quiñonez |
| Metro Archbishop: | Constancio Miranda Weckmann |
| Map: | Roman Catholic Diocese of Nuevo Casas Grandes in Mexico.jpg |
The Roman Catholic Diocese of Nuevo Casas Grandes (Latin: Dioecesis Neograndicasensis) is a suffragan diocese of the Archdiocese of Chihuahua, in Mexico. It was created as a territorial prelature in 1977 and elevated in 2000. It has an area of 36,320, a population of 149,000, a Catholic population of 130,000, 37 priests, and 45 religious.