| Jurisdiction: | Diocese |
| Yopal | |
| Latin: | Dioecesis Yopalensis |
| Denomination: | Catholic Church |
| Sui Iuris Church: | Latin Church |
| Rite: | Roman Rite |
| Established: | 29 October 1999 (years ago) |
| Cathedral: | Catedral San José |
| Area Km2: | 17,725 |
| Population: | 328,937 |
| Population As Of: | 2004 |
| Catholics: | 242,000 |
| Catholics Percent: | 73.6 |
| Bishop: | Edgar Aristizábal Quintero |
| Map: | Mapa Diocesis de Yopal.svg |
The Diocese of Yopal (la|Yopalensis) is a Latin Church ecclesiastical territory or diocese of the Catholic Church in Colombia. It is a suffragan diocese in the ecclesiastical province of the metropolitan Archdiocese of Tunja.
Its cathedra is in the Catedral San José, dedicated to Saint Joseph, in the episcopal see of Yopal, Casanare Department.
, it pastorally served 294,200 Catholics (96.5% of 305,000 total) on 17,725 km2 in 31 parishes and 19 missions with 48 priests (41 diocesan, 7 religious), 11 deacons, 23 lay religious (11 brothers, 12 sisters) and 23 seminarians.