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