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