Surname ฤทธิ์รัตนตรัย (ฤทธิ์รัตนตรัย 
) , all over the world, is a very rare family name. The family name ฤทธิ์รัตนตรัย is habitual in South-eastern Asia, particularly Thailand, where it is a very rare surname.
| VARIANT | COUNTRY |
|---|---|
| ฤทธิ์รัตนตรัย | Thailand |