Last name ดุลยกนิษฐ์ (ดุลยกนิษฐ์ 
) , all around the world, is an extremely rare surname. The surname ดุลยกนิษฐ์ is characteristic of South-eastern Asia, particularly Thailand, where it is an extremely rare surname.
| VARIANT | COUNTRY |
|---|---|
| ดุลยกนิษฐ์ | Thailand |