Cognomen Вермишян (Вермишян 
, Vermishyan 
) , in the entire world, is a rare surname. The last name Вермишян is characteristic of Armenia, where it is a rare surname, Slovenia, and Russia. Also, Вермишян is the forename as well as the last name.
| VARIANT | COUNTRY |
|---|---|
| Вермишян | Ukraine, Russia, Armenia |
| Vermishyan | Slovenia, Russia, Greece, United States, Armenia |