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