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Cognomen Tonapetyan (Тонапетян
, Tonapetyan
, Тонапетьян
) , in all the world, is a rare family name. The family name Tonapetyan is characteristic of Armenia, where it is a rare surname, Bulgaria, and Russia, where it is a very rare surname. In absolute terms, it is the most numerous in Russia, Armenia, and the United States. More prevalently, Tonapetyan is the forename as well as the last name.
| VARIANT | COUNTRY |
|---|---|
| Тонапетян | Armenia, Russia, Ukraine |
| Tonapetyan | Russia, Bulgaria, United States, Armenia, Germany |
| Тонапетьян | Russia |