Last name แก้วเจริญชัย (แก้วเจริญชัย, Kaewjaroenchai 
) , in the entire world, is an extremely rare surname. The family name แก้วเจริญชัย is characteristic of South-eastern Asia, particularly Thailand, where it is an extremely rare surname.
| VARIANT | COUNTRY |
|---|---|
| Kaewjaroenchai | Thailand |