Surname Арусяк (Арусяк 
, Arusiak 
, Arusyak 
) , all around the world, is quite a rare family name. The cognomen Арусяк is habitual in Armenia, where it is quite a common surname, Georgia, and Bulgaria, where it is a rare surname. More prevalently, Арусяк is the forename as well as the last name.
| VARIANT | COUNTRY |
|---|---|
| Арусяк | Kazakhstan, Bulgaria, Armenia, Russia, Ukraine |
| Arusiak | Colombia, Argentina, Georgia, United States, Venezuela |
| Arusyak | France, Armenia, United States, Russia, Turkey |