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