Surname Sahyan (Sahyan 
, Сагиян 
) , all over the world, is a rare family name. The cognomen Sahyan is habitual in Russia, where it is a rare surname, Malaysia, where it is a very rare surname, and Ukraine, where it is an extremely rare surname. In absolute terms, it is commonest in Russia, Malaysia, and the United States. Much less frequently, Sahyan is the forename as well as the last name.