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