Cognomen Аирапетян (Airapetian 
, Аирапетян 
, Airapetjan 
) , all over the world, is a rare family name. The family name Аирапетян is habitual in Reunion, where it is quite a common surname, Estonia, where it is quite a rare surname, and Georgia. In absolute terms, it is commonest in Russia, Reunion, and the United States.
| VARIANT | COUNTRY |
|---|---|
| Airapetian | Russia, Georgia, Reunion, United States, Greece |
| Аирапетян | Russia, Ukraine |
| Airapetjan | Finland, Lithuania, Estonia |
| Airapetyan | Russia, Belarus, United States, Greece, France |