Last name กรจำรัสกุล (กรจำรัสกุล, Kornjamratkul, Kornjamratkun 
) , throughout the world, is a very rare surname. The cognomen กรจำรัสกุล is characteristic of South-eastern Asia, particularly Thailand, where it is a very rare surname.
| VARIANT | COUNTRY |
|---|---|
| Kornchamraskul, Kornjamratkun | Thailand |