Family name ธนภัทรกุล (ธนภัทรกุล, Tanapattrakun 
, Tanapatagul) , globally, is a very rare cognomen. The family name ธนภัทรกุล is habitual in South-eastern Asia, particularly Thailand, where it is a very rare surname.
| VARIANT | COUNTRY |
|---|---|
| Tanapattakul, Tanapattrakun | Thailand |
Tanapatakul, Thanaparakul, Thanapatakul, Thanapatarakul, Thanapatkul, Thanapattarakul, Thanapattarakun, Thanapattarkul, Thanapatthakul, Thanapattrakul, Thanaphatangkul, Thanaphattirakul, and Thannapattarkul