Surname ถาวรวชิรกุล (ถาวรวชิรกุล 
) , in the entire world, is an extremely rare cognomen. The last name ถาวรวชิรกุล is characteristic of South-eastern Asia, particularly Thailand, where it is a very rare surname.
| VARIANT | COUNTRY |
|---|---|
| ถาวรวชิรกุล | Thailand |