Cognomen Thakthanakhom (Thakthanakhom 
) , in the entire world, is a very rare family name. The surname Thakthanakhom is characteristic of South-eastern Asia, particularly Thailand, where it is a very rare surname.
| VARIANT | COUNTRY |
|---|---|
| Thakthanakhom | Thailand |
Apinya, Pornnubpun, Angkhasiri, and Nattapoom