Cognomen Beysenbay (Бейсенбай 
, Beysenbay ) , around the globe, is a rare last name. The family name Beysenbay is habitual in Kazakhstan, where it is quite a rare surname, Kyrgyzstan, where it is a rare surname, and Russia, where it is an extremely rare surname. More prevalently, Beysenbay is the forename as well as the last name.