Family name Junkwan (Junkwan 
) , throughout the world, is a very rare cognomen. The family name Junkwan is habitual in Thailand, where it is a very rare surname, and China, where it is an extremely rare surname. More frequently, Junkwan is the forename as well as the last name.
| VARIANT | COUNTRY |
|---|---|
| Junkwan | South Korea, United States, China, Thailand |