Family name Thavornwattana (Thavornwattana, ถาวรวัฒนา 
) , globally, is a very rare surname. The cognomen Thavornwattana is habitual in South-eastern Asia, particularly Thailand, where it is a very rare surname.
| VARIANT | COUNTRY |
|---|---|
| ถาวรวัฒนา | Thailand |