Cognomen Jeongwan (Jeongwan 
) , in all the world, is a very rare last name. The family name Jeongwan is habitual in China, where it is an extremely rare surname, and the United States. Predominantly, Jeongwan is the forename as well as the last name.
| VARIANT | COUNTRY |
|---|---|
| Jeongwan | China, South Korea, Canada, United States |