Surname 인환 (Inhwan 
, 인환 , In-Hwan ) , around the globe, is a very rare family name. The family name 인환 is characteristic of Malaysia, where it is an extremely rare surname, China, and the United States. Much more frequently, 인환 is the forename as well as the last name.
| VARIANT | COUNTRY |
|---|---|
| Inhwan | Thailand, South Korea, Canada, United States, China |
| 인환 | South Korea |
| In-Hwan | South Korea, Canada, United States |