| Jurisdiction: | Diocese |
| Siuna | |
| Latin: | Dioecesis Siunaënsis |
| Local: | Diócesis de Siuna |
| Country: |  Nicaragua |
| Metropolitan: | Leopoldo José Brenes Solórzano |
| Province: | Province of Managua |
| Area Km2: | 39,710 |
| Population: | 536,568 |
| Population As Of: | 2017 |
| Catholics: | 363,160 |
| Catholics Percent: | 68 |
| Parishes: | 17 |
| Denomination: | Roman Catholic |
| Rite: | Roman Rite |
| Established: | 30 November 2017 (years ago) |
| Cathedral: | Pro-cathedral of Our Lord of Esquipulas in Siuna |
| Bishop Title: | Bishop |
| Bishop: | Isidoro del Carmen Mora Ortega |
| Map: | Nicaragua - Vicariato apostolico di Bluefields.png |
The Roman Catholic Diocese of Siuna (Latin: Dioecesis Siunaënsis) was erected on 30 November 2017.
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