Last name ฤทธิไชยพรกุล (ฤทธิไชยพรกุล 
) , all over the world, is a very rare family name. The last name ฤทธิไชยพรกุล is characteristic of South-eastern Asia, particularly Thailand, where it is a very rare surname.
| VARIANT | COUNTRY |
|---|---|
| ฤทธิไชยพรกุล | Thailand |