Cognomen Esenbay (Есенбай 
, Есенбаи , Есенбаы ) , in all the world, is a rare surname. The surname Esenbay is characteristic of Kazakhstan, where it is quite a rare surname, Kyrgyzstan, where it is a rare surname, and Turkey, where it is a very rare surname. Measured by absolute frequency, this name is the most popular in Kazakhstan, Turkey, and Russia. More prevalently, Esenbay is the forename as well as the last name.