Family name ธนภัทรสัมฤทธิ์ (ธนภัทรสัมฤทธิ์ 
) , in the world, is an extremely rare surname. The cognomen ธนภัทรสัมฤทธิ์ is habitual in South-eastern Asia, particularly Thailand, where it is an extremely rare surname.
| VARIANT | COUNTRY |
|---|---|
| ธนภัทรสัมฤทธิ์ | Thailand |