Surname ปฐมสกุล (ปฐมสกุล 
, Pathomsakul 
) , globally, is a very rare family name. The last name ปฐมสกุล is habitual in Thailand, where it is a very rare surname, and the United States, where it is an extremely rare surname.
| VARIANT | COUNTRY |
|---|---|
| ปฐมสกุล | Thailand |
| Pathomsakul | Thailand, United States |