Surname Dayrbek (Даирбек 
, Дайрбек , Dayrbek) , worldwide, is a rare family name. The cognomen Dayrbek 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, Dayrbek is the forename as well as the last name.