Surname Ki-Woon (기운 
, Ki-Woon 
) , in all the world, is an extremely rare cognomen. Much more prevalently, Ki-Woon is the forename as well as the last name. Parts of the name also exists independently as a first name Ki, and a last name Woon.
| VARIANT | COUNTRY |
|---|---|
| 기운 | South Korea |
| Ki-Woon | United States |