Last name ธัญเกษมพงศ์ (ธัญเกษมพงศ์ 
) , all over the world, is an extremely rare cognomen. The last name ธัญเกษมพงศ์ is habitual in South-eastern Asia, particularly Thailand, where it is a very rare surname.
| VARIANT | COUNTRY |
|---|---|
| ธัญเกษมพงศ์ | Thailand |