Cognomen วงฤทธิ์ (วงฤทธิ์ 
) , in the world, is a very rare last name. The surname วงฤทธิ์ is characteristic of South-eastern Asia, particularly Thailand, where it is a very rare surname. Much less frequently, วงฤทธิ์ is the forename as well as the last name.
| VARIANT | COUNTRY |
|---|---|
| วงฤทธิ์ | Thailand |