Surname Kyosun (Kyosun 
) , all around the world, is an extremely rare last name. The surname Kyosun is characteristic of Northern America, particularly the United States, where it is an extremely rare surname. Much more frequently, Kyosun is the forename as well as the last name.
| VARIANT | COUNTRY |
|---|---|
| Kyosun | South Korea, Spain, United States, Japan |