Family name Вардапетян (Вардапетян 
, Vardapetyan 
) , globally, is a rare last name. The cognomen Вардапетян is characteristic of Armenia, where it is quite a rare surname, Russia, where it is a rare surname, and Ukraine, where it is a very rare surname. Not in comparison with a country's population, this name is the most popular in Russia, Armenia, and the United States. Likewise, Вардапетян is the forename as well as the last name.
| VARIANT | COUNTRY |
|---|---|
| Вардапетян | Ukraine, Kyrgyzstan, Russia, Armenia |
| Vardapetyan | Russia, France, Germany, United States, Armenia |