Cognomen Хартян (Hartian 
, Хартян 
, Khartian 
) , globally, is a rare surname. The cognomen Хартян is habitual in Russia, where it is a rare surname, Kazakhstan, where it is a very rare surname, and Indonesia. Measured by absolute frequency, it most frequently occurs in Indonesia, Russia, and the United States. Also, Хартян is the forename as well as the last name.