Cognomen Chang-Hwan (창환 
, Chang-Hwan 
) , all over the world, is a very rare surname. The last name Chang-Hwan is habitual in Eastern Asia, particularly China, where it is an extremely rare surname. Much more prevalently, Chang-Hwan is the forename as well as the last name. Parts of the name also exists independently as a last name Chang, and a last name Hwan.
| VARIANT | COUNTRY |
|---|---|
| 창환 | South Korea |
| Chang-Hwan | United States, China, South Korea |