Last name Eginbaev (Егинбаев 
, Eginbaev ) , all over the world, is a rare cognomen. The cognomen Eginbaev is habitual in Azerbaijan, where it is quite a rare surname, Kazakhstan, and Kyrgyzstan, where it is a very rare surname. Not in comparison with a country's population, it is commonest in Kazakhstan, Azerbaijan, and Russia. Much less frequently, Eginbaev is the forename as well as the last name.