Last name Kadirjan (Кадиржан 
, Кадирйан , Kadirjan ) , worldwide, is a rare cognomen. The last name Kadirjan is habitual in Kyrgyzstan, where it is quite a rare surname, Kazakhstan, where it is a very rare surname, and Russia, where it is an extremely rare surname. More frequently, Kadirjan is the forename as well as the last name.