| Jurisdiction: | Diocese |
| Chimoio | |
| Latin: | Dioecesis Cimoianus |
| Country: |  Mozambique |
| Metropolitan: | Beira |
| Rite: | Latin Rite |
| Area Km2: | 61,661 |
| Population: | 1,301,000 |
| Population As Of: | 2013 |
| Catholics: | 90,462 |
| Catholics Percent: | 7.0 |
| Bishop: | João Carlos Hatoa Nunes |
| Emeritus Bishops: | Francisco João Silota, M. Afr. |
The Roman Catholic Diocese of Chimoio (Latin: Cimoian(us) is a diocese located in the city of Chimoio in the ecclesiastical province of Beira in Mozambique.