Cognomen ฤทธิ์เดชไชยชาญ (ฤทธิ์เดชไชยชาญ 
) , in the world, is a very rare family name. The surname ฤทธิ์เดชไชยชาญ is characteristic of South-eastern Asia, particularly Thailand, where it is a very rare surname.
| VARIANT | COUNTRY |
|---|---|
| ฤทธิ์เดชไชยชาญ | Thailand |