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Family name Torosyan (Торосян
, Torosyan
, Торосьян
) , all over the world, is a common last name. The cognomen Torosyan is characteristic of Armenia, where it is quite a common surname, Russia, where it is quite a rare surname, and Bulgaria. Not in comparison with a country's population, this name is the most popular in Russia, Armenia, and the United States. Also, Torosyan is the forename as well as the last name.