Last name พิทยถาวรกุล (พิทยถาวรกุล 
) , throughout the world, is an extremely rare cognomen. The family name พิทยถาวรกุล is characteristic of South-eastern Asia, particularly Thailand, where it is a very rare surname.
| VARIANT | COUNTRY |
|---|---|
| พิทยถาวรกุล | Thailand |