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Cognomen Mkrttchian (Мкртчян , Мкртчьян , Мкртчиан ) , in the entire world, is a common last name. The cognomen Mkrttchian is characteristic of Russia, where it is quite a common surname, Belarus, where it is quite a rare surname, and Azerbaijan. Not in comparison with a country's population, this name is the most popular in Eastern Europe, particularly Russia, Ukraine, and Belarus. More frequently, Mkrttchian is the forename as well as the last name.