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