Family name ธนาจิรเศรษฐ์ (ธนาจิรเศรษฐ์ 
) , throughout the world, is an extremely rare surname. The last name ธนาจิรเศรษฐ์ is habitual in South-eastern Asia, particularly Thailand, where it is an extremely rare surname.
| VARIANT | COUNTRY |
|---|---|
| ธนาจิรเศรษฐ์ | Thailand |