Cognomen กิจไพศาลธนกุล (กิจไพศาลธนกุล 
) , globally, is an extremely rare family name. The cognomen กิจไพศาลธนกุล is characteristic of South-eastern Asia, particularly Thailand, where it is an extremely rare surname.
| VARIANT | COUNTRY |
|---|---|
| กิจไพศาลธนกุล | Thailand |