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, Ukraine, Bulgaria, Russia, Armenia |
| Arusiak | Georgia, Venezuela, United States, Argentina, Colombia |
| Arusyak | United States, France, Russia, Armenia, Turkey |