| Sahak Karapetyan | |
| Office: | Chairman of the Council of Ministers of the Armenian Soviet Socialist Republic |
| Term Start: | 29 March 1947 |
| Term End: | 20 November 1952 |
| Predecessor: | Agasi Sarkisyan |
| Successor: | Anton Kochinyan |
| Office1: | Minister of Foreign Affairs of the Armenian SSR |
| Term Start1: | 1946 |
| Term End1: | 1947 |
| Predecessor1: | Askanaz Mravyan |
| Successor1: | Gevorg Hovhannisian |
| Birth Date: | 16 May 1906 |
| Birth Place: | Armavir |
| Death Place: | Yerevan, Armenian SSR, Soviet Union |
| Profession: | Physiologist |
| Native Name Lang: | hy |
Sahak Karapetovich Karapetyan (Armenian: Սահակ Կարապետյան, 16 May 1906 – 6 December 1987) was a Soviet and Armenian physiologist and politician. Karapetyan served as the Chairman of the Council of Ministers of the Armenian Soviet Socialist Republic from 1947 to 1952.[1]