Cognomen Sirikittithakon (Sirikittithakon 
) , throughout the world, is a very rare family name. The last name Sirikittithakon is habitual in South-eastern Asia, particularly Thailand, where it is a very rare surname.
| VARIANT | COUNTRY |
|---|---|
| Sirikittithakon | Thailand |
Natthi, Nattee, Nithirut, and Phinyaphat