Surname Joong-Hwan (중환 
, Joong-Hwan 
) , around the world, is an extremely rare cognomen. Predominantly, Joong-Hwan is the forename as well as the last name. Parts of the name also exists independently as a last name Joong, and a last name Hwan.
| VARIANT | COUNTRY |
|---|---|
| 중환 | South Korea |
| Joong-Hwan | Canada |