Last name ธนะฤทธิ์ (ธนะฤทธิ์ 
) , all around the world, is a rare surname. The family name ธนะฤทธิ์ is habitual in South-eastern Asia, particularly Thailand, where it is a rare surname. Very seldom, ธนะฤทธิ์ is the forename as well as the last name.
| VARIANT | COUNTRY |
|---|---|
| ธนะฤทธิ์ | Thailand |