Cognomen ธีรตาฐิตากร (ธีรตาฐิตากร 
) , globally, is an extremely rare family name. The family name ธีรตาฐิตากร is characteristic of South-eastern Asia, particularly Thailand, where it is an extremely rare surname.
| VARIANT | COUNTRY |
|---|---|
| ธีรตาฐิตากร | Thailand |