| Diocese of Moesia Dioecesis Moesiarum Διοίκησις Μοισίας | |
|---|---|
| Diocese of the Roman Empire | |
| ca. 293 – before 337 | |
 Roman Empire | |
| Historical era | Late Antiquity |
• Administrative reform | ca. 293 |
• Division in two dioceses | before 337 |
The Diocese of Moesia (Latin: Dioecesis Moesiarum, Greek: Διοίκησις Μοισίας) was a diocese of the later Roman Empire, in the area of modern western Bulgaria, central Serbia, Montenegro, Albania, North Macedonia, and Greece.