In the entire world, Kairzhan (Каиржан 
, Кайржан 
, Kairzhan 
) is quite a common primarily masculine, but very infrequently female first name. The given name Kairzhan is characteristic of Azerbaijan, where it is quite a common male name, Kazakhstan, where it is quite a common largely male, but infrequently girly name, and Uzbekistan, where it is a rare male name.