Cognomen Karapetyants (Карапетьянц 
, Карапетянц , Karapetyants 
) , in all the world, is a rare last name. The cognomen Karapetyants is characteristic of Russia, where it is a rare surname, Kyrgyzstan, and Ukraine, where it is a very rare surname. Not in comparison with a country's population, it is the most numerous in Russia, Ukraine, and Kazakhstan. Very seldom, Karapetyants is the forename as well as the last name.
| VARIANT | COUNTRY |
|---|---|
| Карапетьянц | Kazakhstan, Russia, Kyrgyzstan, Ukraine |
| Карапетянц | Russia, Ukraine |
| Karapetyants | Russia, United States |
| Карапетянтс | Russia |
| alexey n. karapetyants Ph. D. Rostov on Don State University 1997 |
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