Family name ฦาฤทธิ์ (ฦาฤทธิ์ 
) , throughout the world, is an extremely rare cognomen. The family name ฦาฤทธิ์ is habitual in South-eastern Asia, particularly Thailand, where it is a very rare surname. Also, ฦาฤทธิ์ is the forename as well as the last name.
| VARIANT | COUNTRY |
|---|---|
| ฦาฤทธิ์ | Thailand |