| Jurisdiction: | Diocese |
| Jacmel | |
| Latin: | Dioecesis Iacmeliensis |
| Country: |  Haiti |
| Metropolitan: | Jacmel |
| Province: | Province of Port-au-Prince |
| Area Km2: | 2,700 |
| Population: | 510,257 |
| Population As Of: | 2008 |
| Catholics: | 331,667 |
| Catholics Percent: | 65 |
| Parishes: | 25 |
| Denomination: | Roman Catholic |
| Rite: | Latin Rite |
| Established: | 25 February 1988 (years ago) |
| Cathedral: | Cathedral of St. James and St. Philip |
| Bishop Title: | Bishop |
| Bishop: | Glandas Marie Erick Toussaint |
The Roman Catholic Diocese of Jacmel (Latin: Dioecesis Iacmeliensis), erected 25 February 1988, is a suffragan of the Archdiocese of Port-au-Prince.
The diocese began with ten priests, and in 2007 had over fifty. Some have been sent as missionaries to such places as Brazil and Quebec.