Constantine Ducas (Moldavian ruler)
| Constantine Ducas | |
|---|---|
| Prince of Moldavia (1st reign) | |
| Reign | 23 April 1693 – 18 December 1695 |
| Predecessor | Dimitrie Cantemir |
| Successor | Antioh Cantemir |
| Prince of Moldavia (2nd reign) | |
| Reign | 12 September 1700 – 26 July 1703 |
| Predecessor | Antioh Cantemir |
| Successor | Antioh Cantemir |
| Born | unknown |
| Died | 1704 Istanbul |
| Father | George Ducas |
| Mother | Nastasia |
| Religion | Orthodox |
Constantine Ducas (Greek: Κωνσταντίνος Δούκας, Kōnstantínos Doúkas; Romanian: Constantin Duca; ? – 1704) son of George Ducas, was a Voivode (Prince) of Moldavia between April 1693 and December 18, 1695 and September 12, 1700 – July 26, 1703.