| Jurisdiction: | Territorial Prelature |
| Huamachuco | |
| Latin: | Praelatura Territorialis Huamaciucanus |
| Country: |  Peru |
| Rite: | Latin Rite |
| Area Km2: | 7,918 |
| Population: | 230,000 |
| Population As Of: | 2004 |
| Catholics: | 149,500 |
| Catholics Percent: | 65.0 |
| Bishop: | Pascual Rivera Montoya T.O.R. |
| Emeritus Bishops: | Sebastián Ramis Torrens, T.O.R. |
The Territorial Prelature of Huamachuco (Latin: Praelatura Territorialis Huamaciucanus) is a Roman Catholic territorial prelature located in the city of Huamachuco in the ecclesiastical province of Trujillo in Peru.