Last name ศุภเสถียร (ศุภเสถียร 
, Supasatien , Suppasatien ) , throughout the world, is a rare family name. The cognomen ศุภเสถียร is characteristic of South-eastern Asia, particularly Thailand, where it is a rare surname. Very seldom, ศุภเสถียร is the forename as well as the last name.
| VARIANT | COUNTRY |
|---|---|
| Suphasathian, Suppasatien, Supasatien, ศุภเสถียร | Thailand |