Last name รัตน์กิจเจริญ (รัตน์กิจเจริญ 
) , around the globe, is a very rare family name. The cognomen รัตน์กิจเจริญ is characteristic of South-eastern Asia, particularly Thailand, where it is a very rare surname.
| VARIANT | COUNTRY |
|---|---|
| รัตน์กิจเจริญ | Thailand |