Cognomen Margarjan (Маргарян 
, Маркарян 
, Margarjan 
) , in the entire world, is a common family name. The cognomen Margarjan is characteristic of Eastern Europe, particularly Russia, where it is quite a common surname, Ukraine, where it is quite a rare surname, and Belarus. Not in comparison with a country's population, this name is the most popular in Russia, Ukraine, and Azerbaijan. Likewise, Margarjan is the forename as well as the last name.
| VARIANT | COUNTRY |
|---|---|
| Маргарян | Ukraine, Belarus, Azerbaijan, Russia, Armenia |
| Маркарян | Ukraine, Belarus, Russia, Kazakhstan, Armenia |
| Margarjan | Norway, Germany, Czechia |
| Марканян | Russia |