Family name ธนะอมรกิจ (ธนะอมรกิจ 
) , in the world, is a very rare surname. The surname ธนะอมรกิจ is characteristic of South-eastern Asia, particularly Thailand, where it is a very rare surname.
| VARIANT | COUNTRY |
|---|---|
| ธนะอมรกิจ | Thailand |
กัญธนัช, and กิตติศักดิ์