| Jurisdiction: | Diocese |
| Mongu | |
| Latin: | Dioecesis Monguensis |
| Country: | Zambia |
| Rite: | Latin Rite |
| Cathedral: | Cathedral of Our Lady of Lourdes |
| Area Km2: | 87,293 |
| Population: | 621,492 |
| Population As Of: | 2004 |
| Catholics: | 56,386 |
| Catholics Percent: | 9.1 |
The Roman Catholic Diocese of Mongu (Latin: Monguen(sis)) is a diocese located in Mongu in Zambia.