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 | Armenia, Russia, Ukraine |
| Vermishyan | Armenia, Russia, United States, Greece, Slovenia |