Surname Sukkwan (Sukkwan 
) , around the globe, is a rare cognomen. The cognomen Sukkwan is habitual in South-eastern Asia, particularly Thailand, where it is a rare surname. Very seldom, Sukkwan is the forename as well as the last name.
| VARIANT | COUNTRY |
|---|---|
| Sukkwan | South Korea, United States, United Kingdom, Thailand |