| Jurisdiction: | Diocese |
| Mawlamyine | |
| Latin: | Dioecesis Maulamyinensis |
| Country: | Myanmar |
| Province: | Yangon |
| Metropolitan: | Yangon |
| Area Km2: | 51,780 |
| Population: | 2,621,889 |
| Population As Of: | 2004 |
| Catholics: | 7,771 |
| Catholics Percent: | 0.3 |
| Denomination: | Roman Catholic |
| Established: | 22 March 1993 |
| Cathedral: | Holy Family Cathedral in Mawlamyine |
| Bishop: | Maurice Nyun Wai |
| Metro Archbishop: | Charles Maung Bo |
| Suffragan: | for one --> |
| Archdeacon: | for one--> |
| Emeritus Bishops: | Raymond Saw Po Ray |
The Roman Catholic Diocese of Mawlamyine (Lat: Diocesis Maulamyinensis) is a diocese of the Catholic Church in Burma.
The diocese was erected in 1993, from its metropolitan, the Archdiocese of Yangon.