Last name สุทธิชัยเสถียร (สุทธิชัยเสถียร 
) , worldwide, is a very rare surname. The last name สุทธิชัยเสถียร is characteristic of South-eastern Asia, particularly Thailand, where it is a very rare surname.
| VARIANT | COUNTRY |
|---|---|
| สุทธิชัยเสถียร | Thailand |