All around the world, ดุลธร (ดุลธร 
) is a very rare male given name. The first name ดุลธร is characteristic of South-eastern Asia, particularly Thailand, where it is a very rare masculine name.
| VARIANT | COUNTRY |
|---|---|
| ดุลธร | Thailand |
จิรศิริกุล, ฤทธิเดช, and ปัญญวรรณศิริ