Family name Soyun (Soyun 
, 소윤 , Союн 
) , in the entire world, is a rare cognomen. The surname Soyun is characteristic of South Korea, where it is a rare surname, Turkey, where it is a very rare surname, and Thailand, where it is an extremely rare surname. Not in comparison with a country's population, the name is most common in South Korea, China, and Turkey. More frequently, Soyun is the forename as well as the last name.