Family name 재환 (재환 
, Jaehwan 
, Jae-Hwan 
) , throughout the world, is a rare cognomen. The last name 재환 is characteristic of Malaysia, where it is a rare surname, South Korea, and Poland, where it is a very rare surname. Not in comparison with a country's population, this name is the most popular in South Korea, Malaysia, and China. Much more frequently, 재환 is the forename as well as the last name.
| VARIANT | COUNTRY |
|---|---|
| 재환 | South Korea |
| Jaehwan | China, Indonesia, United States, Malaysia, South Korea |
| Jae-Hwan | United States, South Korea, Canada |