| Gregory Callimachi | |
|---|---|
_-_Grigore_Callimachi.png) | |
| Prince of Moldavia | |
| Reign | 11 June 1761 – 29 March 1764 |
| Predecessor | Ioan Teodor Callimachi |
| Successor | Grigore III Ghica |
| Prince of Moldavia | |
| Reign | 3 February 1767 – 14 June 1769 |
| Predecessor | Grigore III Ghica |
| Successor | Constantine Mavrocordatos |
| Born | 1735 |
| Died | 9 September 1769 Istanbul |
| House | Callimachi family |
| Father | Ioan Teodor Callimachi |
| Mother | Ralitsa Chrysoskoléos |
| Religion | Orthodox |
| Signature |  |
Gregory Callimachi (Greek: Γρηγόριος Καλλιμάχης, Romanian: Grigore Callimachi; 1735 – 9 September 1769) was a Phanariote who served as Prince of Moldavia from 1761 to 1764, and 1767 to 1769.