Cognomen ก่อสุวรรณ (ก่อสุวรรณ, Korsuwan 
) , globally, is a rare last name. The surname ก่อสุวรรณ is habitual in South-eastern Asia, particularly Thailand, where it is a rare surname.
| VARIANT | COUNTRY |
|---|---|
| Korsuwan | Thailand |
| ชเนษฏ์ผกา ก่อสุวรรณ TH (b. 1984) |
|