Surname Kiwoon (Kiwoon 
) , all over the world, is a very rare last name. The family name Kiwoon is habitual in Eastern Asia, particularly China, where it is an extremely rare surname. More frequently, Kiwoon is the forename as well as the last name.
| VARIANT | COUNTRY |
|---|---|
| Kiwoon | South Korea, India, United States, China |