Cognomen Kadyrbek (Кадырбек 
, Кадирбек 
, Kadyrbek 
) , in all the world, is quite a common last name. The last name Kadyrbek is characteristic of Kyrgyzstan, where it is quite a common surname, Kazakhstan, where it is a rare surname, and Russia. More prevalently, Kadyrbek is the forename as well as the last name.