| Jurisdiction: | Diocese |
| Huehuetenango | |
| Latin: | Dioecesis Gerontopolitana |
| Country: |  Guatemala |
| Metropolitan: | Mario Alberto Molina Palma, O.A.R. |
| Province: | Province of Los Altos Quetzaltenango-Totonicapán |
| Area Km2: | 7,400 |
| Population: | 896,833 |
| Population As Of: | 2010 |
| Catholics: | 690,519 |
| Catholics Percent: | 77 |
| Parishes: | 31 |
| Denomination: | Roman Catholic |
| Rite: | Roman Rite |
| Established: | 22 July 1961 (years ago) |
| Cathedral: | Catedral de La Inmaculada Concepción |
| Bishop Title: | Bishop |
| Bishop: | Alvaro Leonel Ramazzini Imeri |
| Map: | Guatemala - Diocesi di Huehuetenango.png |
The Roman Catholic Diocese of Huehuetenango, Guatemala was first erected 22 July 1961, as the Territorial Prelature of Huehuetenango. It is a suffragan diocese of the Archdiocese of Los Altos Quetzaltenango-Totonicapán. It was elevated as a diocese on 23 December 1967.