Cognomen หวังโรจน์ฤทธิ์ (หวังโรจน์ฤทธิ์ 
) , throughout the world, is a very rare surname. The cognomen หวังโรจน์ฤทธิ์ is habitual in South-eastern Asia, particularly Thailand, where it is a very rare surname.
| VARIANT | COUNTRY |
|---|---|
| หวังโรจน์ฤทธิ์ | Thailand |