| Jurisdiction: | Diocese |
| Fort-Liberté | |
| Latin: | Dioecesis Castelli Libertatis |
| Country: |  Haiti |
| Metropolitan: | Fort-Liberté |
| Province: | Province of Cap-Haïtien |
| Area Km2: | 1,200 |
| Population: | 460,000 |
| Population As Of: | 2006 |
| Catholics: | 331,200 |
| Catholics Percent: | 72 |
| Parishes: | 25 |
| Denomination: | Roman Catholic |
| Sui Iuris Church: | Latin Church |
| Rite: | Roman Rite |
| Established: | 31 January 1991 (years ago) |
| Cathedral: | Cathedral of St. Joseph |
| Bishop Title: | Bishop |
| Bishop: | Quesnel Alphonse |
| Website: | www.diocesedefortliberte.org |
The Roman Catholic Diocese of Fort-Liberté (Latin: Dioecesis Castelli Libertatis), erected 31 January 1991, is a suffragan of the Archdiocese of Cap-Haïtien. On 25 October 2014, Pope Francis appointed Quesnel Alphonse, S.M.M. as bishop of Fort-Liberté.