Last name Ratirodjanakul (Ratirodjanakul 
) , globally, is an extremely rare family name. The surname Ratirodjanakul is characteristic of South-eastern Asia, particularly Thailand, where it is an extremely rare surname.
| VARIANT | COUNTRY |
|---|---|
| Ratirodjanakul | Thailand |
Nattapong, Phakkapong, and Natthapong