Cognomen ปิยะวาณิชย์สกุล (ปิยะวาณิชย์สกุล 
) , all around the world, is a very rare surname. The cognomen ปิยะวาณิชย์สกุล is characteristic of South-eastern Asia, particularly Thailand, where it is a very rare surname.
| VARIANT | COUNTRY |
|---|---|
| ปิยะวาณิชย์สกุล | Thailand |