Family name ปิยเดชยศเสถียร (ปิยเดชยศเสถียร 
) , in the world, is an extremely rare surname. The surname ปิยเดชยศเสถียร is characteristic of South-eastern Asia, particularly Thailand, where it is an extremely rare surname.
| VARIANT | COUNTRY |
|---|---|
| ปิยเดชยศเสถียร | Thailand |