Last name เสถียรสุต (เสถียรสุต 
) , all around the world, is a very rare surname. The family name เสถียรสุต is characteristic of South-eastern Asia, particularly Thailand, where it is a very rare surname.
| VARIANT | COUNTRY |
|---|---|
| เสถียรสุต | Thailand |
|
ศันสนีย์ เสถียรสุต Nun in Theravada Buddhism, Thai model, TH (b. 1953) |
|