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