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