Last name ธนัยปฐมพงศ์ (ธนัยปฐมพงศ์ 
) , across the world, is an extremely rare cognomen. The family name ธนัยปฐมพงศ์ is characteristic of South-eastern Asia, particularly Thailand, where it is a very rare surname.
| VARIANT | COUNTRY |
|---|---|
| ธนัยปฐมพงศ์ | Thailand |