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Cognomen Tatosyan (Татосян
, Tatosyan
, Татосьян
) , throughout the world, is quite a rare last name. The surname Tatosyan is habitual in Armenia, where it is a rare surname, Russia, and Ukraine, where it is a very rare surname. Likewise, Tatosyan is the forename as well as the last name.
| VARIANT | COUNTRY |
|---|---|
| Татосян | Ukraine, Russia, Armenia, Kazakhstan |
| Tatosyan | United Kingdom, United States, Armenia, Russia, Canada |
| Татосьян | Russia |