Cognomen กิจดำรงกุล (กิจดำรงกุล, Kitdamrongkul 
) , all around the world, is an extremely rare surname. The family name กิจดำรงกุล is habitual in South-eastern Asia, particularly Thailand, where it is an extremely rare surname.
| VARIANT | COUNTRY |
|---|---|
| Kitdamrongkul | Thailand |