Last name Chichyan (Чичян 
, Chichyan 
) , globally, is a rare surname. The last name Chichyan is habitual in Armenia, where it is a rare surname, Russia, where it is a very rare surname, and Ukraine. Measured by absolute frequency, it is the most numerous in Russia, Armenia, and the United States. Likewise, Chichyan is the forename as well as the last name.