Surname Avetysyan (Аветисян 
, Avetysyan 
) , globally, is a common family name. The cognomen Avetysyan is habitual in Belarus, where it is quite a common surname, Russia, and Armenia, where it is quite a rare surname. Measured by absolute frequency, it most frequently occurs in Eastern Europe, particularly Russia, Belarus, and Ukraine. Likewise, Avetysyan is the forename as well as the last name.