Cognomen Dittayanurak (Dittayanurak 
) , globally, is a very rare family name. The surname Dittayanurak is characteristic of South-eastern Asia, particularly Thailand, where it is a very rare surname.
| VARIANT | COUNTRY |
|---|---|
| Dittayanurak | Thailand |
Kamol, Supavit, Nuttawut, and Patcharaporn