Cognomen Есун (Yesun 
, Есун 
) , across the world, is a very rare surname. The surname Есун is characteristic of Myanmar, where it is a very rare surname, Kyrgyzstan, and Malaysia. In absolute terms, this name is the most popular in South-eastern Asia, particularly Myanmar, Thailand, and Malaysia. More prevalently, Есун is the forename as well as the last name.