Family name Jong-Yoon (종윤 
, Jong-Yoon 
) , in the world, is an extremely rare cognomen. The family name Jong-Yoon is characteristic of Northern America, particularly the United States, where it is an extremely rare surname. Much more prevalently, Jong-Yoon is the forename as well as the last name. Parts of the name also exists independently as a last name Jong, and a first name Yoon.
| VARIANT | COUNTRY |
|---|---|
| 종윤 | South Korea |
| Jong-Yoon | United States |