Last name Нагдалиан (Нагдалиан 
, Nagdalyan 
) , worldwide, is a very rare surname. The cognomen Нагдалиан is habitual in Armenia, where it is quite a rare surname, Germany, where it is a very rare surname, and Russia.
| VARIANT | COUNTRY |
|---|---|
| Нагдалиан | Russia |
| Nagdalyan | Germany, Armenia, Russia, United States, Ukraine |