Family name ฤทธิ์ธาดา (ฤทธิ์ธาดา 
) , around the globe, is an extremely rare cognomen. The family name ฤทธิ์ธาดา is habitual in South-eastern Asia, particularly Thailand, where it is an extremely rare surname. Likewise, ฤทธิ์ธาดา is the forename as well as the last name.
| VARIANT | COUNTRY |
|---|---|
| ฤทธิ์ธาดา | Thailand |