Surname ฤทธิ์พิณ (ฤทธิ์พิณ 
) , throughout the world, is an extremely rare family name. The last name ฤทธิ์พิณ is characteristic of South-eastern Asia, particularly Thailand, where it is an extremely rare surname.
| VARIANT | COUNTRY |
|---|---|
| ฤทธิ์พิณ | Thailand |