Cognomen Hachikyan (Hachikyan 
, Хачикян 
) , in the world, is quite a rare last name. The cognomen Hachikyan is habitual in Eastern Europe, particularly Bulgaria, where it is quite a rare surname, Russia, and Belarus, where it is a rare surname. Not in comparison with a country's population, the name is most common in Eastern Europe, particularly Russia, Bulgaria, and Ukraine.