Last name Khirianov (Хирьянов 
, Khirianov) , worldwide, is a rare family name. The family name Khirianov is habitual in Belarus, where it is a rare surname, Russia, and Kazakhstan, where it is a very rare surname. In absolute terms, it is the most numerous in Eastern Europe, particularly Russia, Belarus, and Ukraine. Very seldom, Khirianov is the forename as well as the last name.