Cognomen Myrzabay (Мырзабай 
, Мирзабаы , Myrzabay ) , in the entire world, is a rare last name. The cognomen Myrzabay is characteristic of Kyrgyzstan, where it is quite a rare surname, Kazakhstan, and Russia, where it is an extremely rare surname. More frequently, Myrzabay is the forename as well as the last name.