Surname ดำรงสกุล (ดำรงสกุล, Damrongkul 
, Dumrongsakul ) , globally, is a rare last name. The family name ดำรงสกุล is characteristic of Thailand, where it is a rare surname, and the United States, where it is an extremely rare surname.
| VARIANT | COUNTRY |
|---|---|
| Dumrongsakul, Damrongkul | Thailand |
| Damrongsakul | United States, Thailand |
Damrngsakul, Damrongsagul, Damrongsakulaom, Damrongsakun, Damrongskul, Damrongskun, and Dumrongskul