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