Cognomen กิจรัตน์ประเสริฐ (กิจรัตน์ประเสริฐ 
) , globally, is a very rare family name. The family name กิจรัตน์ประเสริฐ is characteristic of South-eastern Asia, particularly Thailand, where it is a very rare surname.
| VARIANT | COUNTRY |
|---|---|
| กิจรัตน์ประเสริฐ | Thailand |