Cognomen Arnus (อานัส 
, عرنوس 
, Arnus 
) , globally, is quite a rare surname. The family name Arnus is characteristic of Slovenia, where it is quite a common surname, Syria, where it is quite a rare surname, and Lebanon. In absolute terms, it most frequently occurs in Egypt, Syria, and Slovenia. Likewise, Arnus is the forename as well as the last name.