Last name สุทธิไชยกุล (สุทธิไชยกุล 
) , throughout the world, is an extremely rare surname. The surname สุทธิไชยกุล is habitual in South-eastern Asia, particularly Thailand, where it is an extremely rare surname.
| VARIANT | COUNTRY |
|---|---|
| สุทธิไชยกุล | Thailand |