Cognomen Khiryanov (Хирьянов 
, Khiryanov 
) , in the entire world, is a rare surname. The last name Khiryanov is habitual in Belarus, where it is a rare surname, Russia, and Kazakhstan, where it is a very rare surname. In absolute terms, the name is most common in Eastern Europe, particularly Russia, Belarus, and Ukraine. Very seldom, Khiryanov is the forename as well as the last name.