Surname Нагапетьян (Нагапетьян 
, Nagapetian 
, Nagapetyan 
) , around the world, is a rare last name. The surname Нагапетьян is characteristic of Greenland, where it is quite a common surname, Russia, where it is a very rare surname, and Belgium. Measured by absolute frequency, the name is most common in Russia, the United States, and Greenland.
| VARIANT | COUNTRY |
|---|---|
| Нагапетьян | Russia, Ukraine |
| Nagapetian | Canada, France, Georgia, United States |
| Nagapetyan | Russia, Belgium, United States, Greenland, Canada |