Cognomen Sun-Yong (선용 
, Sun-Yong 
) , in all the world, is an extremely rare last name. The surname Sun-Yong is habitual in Northern America, particularly the United States, where it is an extremely rare surname. Much more prevalently, Sun-Yong is the forename as well as the last name. Parts of the name also exists independently as a last name Sun, and a first name Yong.
| VARIANT | COUNTRY |
|---|---|
| 선용 | South Korea |
| Sun-Yong | United States |