Cognomen กิจธรรมรัตน์ (กิจธรรมรัตน์ 
) , all around the world, is a very rare last name. The last name กิจธรรมรัตน์ is characteristic of South-eastern Asia, particularly Thailand, where it is a very rare surname.
| VARIANT | COUNTRY |
|---|---|
| กิจธรรมรัตน์ | Thailand |