Cognomen Arzunyan (Арзунян 
, Arzunyan 
) , worldwide, is a very rare surname. The cognomen Arzunyan is characteristic of Ukraine, where it is a very rare surname, Russia, and Kazakhstan. Not in comparison with a country's population, it most frequently occurs in Russia, Ukraine, and the United States. Likewise, Arzunyan is the forename as well as the last name.