In the entire world, Erkinbai (Эркинбай 
, Еркинбай , Еркинбаи ) is quite a rare masculine first name. The first name Erkinbai is habitual in Kyrgyzstan, where it is quite a common boy's name, Azerbaijan, where it is quite a rare masculine name, and Kazakhstan. Much less frequently, Erkinbai is the last name as well as the forename.