| Jurisdiction: | Diocese |
| Ganzhou | |
| Local: | 天主教赣州教区 |
| Latin: | Dioecesis Canceuvensis |
| Country: |  China |
| Metropolitan: | Nanchang |
| Province: | Nanchang |
| Rite: | Latin Rite |
| Cathedral: | Cathedral in Ganzhou |
| Area Km2: | 88,609 |
| Population: | 3,000,000 |
| Population As Of: | 1950 |
| Catholics: | 15,145 |
| Catholics Percent: | 0.5 |
The Roman Catholic Diocese of Ganzhou/Kanchow (Latin: Canceuven(sis),) is a diocese located in the city of Ganzhou (Jiangxi) in the ecclesiastical province of Nanchang in China.