Cognomen אדוריאן (Adorjan 
, אדוריאן 
) , in all the world, is quite a rare last name. The last name אדוריאן is characteristic of Hungary, where it is quite a common surname, Romania, where it is quite a rare surname, and Austria. In absolute terms, it most frequently occurs in Hungary, Romania, and the United States. Very seldom, אדוריאן is the forename as well as the last name.