Cognomen Jong-Yong (Jong-Yong 
) , worldwide, is an extremely rare last name. Much more prevalently, Jong-Yong 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 Yong.
| VARIANT | COUNTRY |
|---|---|
| Jong-Yong | United States |
Jong Yong, Jong-Yeong, ジョンヨン, and 종영