Cognomen 문환 (문환 
, Munhwan 
) , around the world, is an extremely rare last name. The surname 문환 is characteristic of South-eastern Asia, particularly Thailand, where it is an extremely rare surname. Much more frequently, 문환 is the forename as well as the last name.
| VARIANT | COUNTRY |
|---|---|
| 문환 | South Korea |
| Munhwan | China, South Korea, Thailand, United States |