Cognomen Соеун (Soeun 
, Соеун 
) , throughout the world, is a rare family name. The family name Соеун is habitual in Cambodia, where it is a rare surname, South Korea, and Australia. In absolute terms, this name is the most popular in the United States, South Korea, and France. More prevalently, Соеун is the forename as well as the last name.