Cognomen หทัยเศรษฐ์ (หทัยเศรษฐ์ 
) , in all the world, is a very rare family name. The last name หทัยเศรษฐ์ is habitual in South-eastern Asia, particularly Thailand, where it is a very rare surname.
| VARIANT | COUNTRY |
|---|---|
| หทัยเศรษฐ์ | Thailand |
ศิวพร, and ธัญญ์พัทธ์