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