Surname Kunyoung (Kunyoung 
) , throughout the world, is a very rare family name. The last name Kunyoung is habitual in Thailand, where it is a very rare surname, and China, where it is an extremely rare surname. Much more frequently, Kunyoung is the forename as well as the last name.
| VARIANT | COUNTRY |
|---|---|
| Kunyoung | Canada, South Korea, United States, Thailand, China |