Surname ดำรงศักดิ์ศิริ (ดำรงศักดิ์ศิริ, Dummrongsaksiri, Damrongsaksiri 
) , in all the world, is a rare last name. The last name ดำรงศักดิ์ศิริ is habitual in South-eastern Asia, particularly Thailand, where it is a rare surname.
| VARIANT | COUNTRY |
|---|---|
| Damrongsaksiri | Thailand |