Cognomen Пирумян (Пирумян 
, Pirumyan 
, Pirumjan ) , in all the world, is a rare surname. The surname Пирумян is habitual in Armenia, where it is quite a rare surname, Russia, where it is a rare surname, and Belarus. Measured by absolute frequency, it is commonest in Russia, Armenia, and the United States. Likewise, Пирумян is the forename as well as the last name.
| VARIANT | COUNTRY |
|---|---|
| Пирумян | Ukraine, Kazakhstan, Belarus, Russia, Armenia |
| Pirumyan | Russia, United States, Armenia |
| Pirumjan | Belarus |
| Piroumian | United States, Canada |