| Jurisdiction: | Diocese |
| Ambositra | |
| Latin: | Dioecesis Ambositrensis |
| Country: | Madagascar |
| Province: | Fianarantsoa |
| Area Km2: | 29,400 |
| Population: | 1,680,240 |
| Population As Of: | 2004 |
| Catholics: | 334,828 |
| Catholics Percent: | 48.1 |
| Parishes: | 18 |
| Denomination: | Roman Catholic |
| Rite: | Roman rite |
| Established: | 3 June 1999 |
| Cathedral: | Cathedral of the Immaculate Heart of Mary |
| Bishop: | Fidelis Rakotonarivo S.J. |
The Diocese of Ambositra is a Roman Catholic Diocese under the Archdiocese of Fianarantsoa in Madagascar. It is based in the town of Ambositra and was erected on 3 June 1999. It performs the Latin Rite. The Diocese covers approximately 24000km (15,000miles). As of 2004, the diocese population was about 334,828, with 48.1% Catholic. 57 priests were in the Diocese as of 2004 for a ratio of 5,874 Catholics for every 1 Priest. Fidelis Rakotonarivo, SJ has been the Bishop of the Diocese since June 2005.