Cognomen Yalkun (Ялкун 
, Yalkun 
) , all around the world, is a very rare last name. The family name Yalkun is habitual in Kyrgyzstan, where it is a rare surname, Turkey, where it is a very rare surname, and Israel. Not in comparison with a country's population, it most frequently occurs in Kyrgyzstan, China, and Turkey. More frequently, Yalkun is the forename as well as the last name.