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