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