Surname กระจ่างสุวรรณ (กระจ่างสุวรรณ, Krajangsuwan 
) , all over the world, is an extremely rare family name. The surname กระจ่างสุวรรณ is habitual in South-eastern Asia, particularly Thailand, where it is an extremely rare surname.
| VARIANT | COUNTRY |
|---|---|
| Krajangsuwan | Thailand |