| Jurisdiction: | Diocese |
| Xiamen | |
| Local: | 天主教厦门教区 |
| Latin: | Dioecesis Sciiamenensis |
| Country: | China |
| Territory: | Xiamen |
| Metropolitan: | Fuzhou |
| Province: | Fuzhou |
| Rite: | Latin Rite |
| Cathedral: | Cathedral of Christ the King in Xiamen |
| Area Km2: | 30,000 |
| Population: | 7,500,000 |
| Population As Of: | 1950 |
| Catholics: | 16,588 |
| Catholics Percent: | 0.2 |
| Bishop: | Joseph Cai Bingrui |
| Metro Archbishop: | Peter Lin Jiashan |
The Roman Catholic Diocese of Xiamen/Amoy/Hsíamen (Latin: Sciiamenen(sis),) is a diocese located in the city of Xiamen (Fujian) in the ecclesiastical province of Fuzhou in China.