Cognomen Rattanachatchai (Rattanachatchai, รัตนฉัตรชัย 
) , around the globe, is a very rare surname. The surname Rattanachatchai is habitual in South-eastern Asia, particularly Thailand, where it is a very rare surname.
| VARIANT | COUNTRY |
|---|---|
| รัตนฉัตรชัย | Thailand |