Family name กอบเจริญกุล (กอบเจริญกุล 
, Kopjaroenkun ) , throughout the world, is a very rare last name. The cognomen กอบเจริญกุล is characteristic of South-eastern Asia, particularly Thailand, where it is a very rare surname.
| VARIANT | COUNTRY |
|---|---|
| Kopjaroenkun, กอบเจริญกุล | Thailand |