Cognomen Altybay (Алтыбай 
, Altybay 
) , around the world, is a rare last name. The family name Altybay is habitual in Kyrgyzstan, where it is quite a rare surname, Kazakhstan, where it is a rare surname, and the United States, where it is an extremely rare surname. Also, Altybay is the forename as well as the last name.