Family name เสถียรพงศ์ธร (เสถียรพงศ์ธร 
) , around the world, is a very rare last name. The surname เสถียรพงศ์ธร is characteristic of South-eastern Asia, particularly Thailand, where it is a very rare surname.
| VARIANT | COUNTRY |
|---|---|
| เสถียรพงศ์ธร | Thailand |