All around the world, Siyavuş (سياوش , סיאבוש , Siyavuş ) is an extremely rare unknown gender first name. Much less frequently, Siyavuş is the last name as well as the forename.
Siyavush, and Сиявуш
Tulu
, סיאבוש 
, Siyavuş 
) is an extremely rare unknown gender first name. Much less frequently, Siyavuş is the last name as well as the forename.