| Jurisdiction: | Diocese |
| Jining | |
| Local: | 天主教集宁教区 |
| Latin: | Dioecesis Zinimensis |
| Country: | China |
| Metropolitan: | Suiyuan |
| Province: | Suiyuan |
| Rite: | Latin Rite |
| Cathedral: | Cathedral of Our Lady of the Rosary in Ulanqab, Inner Mongolia |
| Area Km2: | 40,000 |
| Population: | 800,000 |
| Population As Of: | 1950 |
| Catholics: | 36,240 |
| Catholics Percent: | 4.5 |
| Bishop: | Anthony Yao Shun |
| Metro Archbishop: | Paul Meng Qinglu |
The Roman Catholic Diocese of Jining (Latin: Zinimen(sis),) is a diocese located in Jining (Ulanqab) in the ecclesiastical province of Suiyuan in China.