Family name สุทธิชวาลกูล (สุทธิชวาลกูล 
) , in the entire world, is an extremely rare surname. The last name สุทธิชวาลกูล is habitual in South-eastern Asia, particularly Thailand, where it is an extremely rare surname.
| VARIANT | COUNTRY |
|---|---|
| สุทธิชวาลกูล | Thailand |