Surname โรจน์ทวีฤทธิ์ (โรจน์ทวีฤทธิ์ 
) , throughout the world, is an extremely rare last name. The family name โรจน์ทวีฤทธิ์ is habitual in South-eastern Asia, particularly Thailand, where it is a very rare surname.
| VARIANT | COUNTRY |
|---|---|
| โรจน์ทวีฤทธิ์ | Thailand |