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Last name Варданян (Варданян , Vardanyan , Vardanian ) , in all the world, is a common cognomen. The family name Варданян is habitual in Armenia, where it is a common surname, Russia, where it is quite a common surname, and Georgia, where it is quite a rare surname. Not in comparison with a country's population, it is commonest in Russia, Armenia, and Ukraine. Likewise, Варданян is the forename as well as the last name.