Family name สุทธวีร์กุล (สุทธวีร์กุล 
) , in the entire world, is an extremely rare last name. The family name สุทธวีร์กุล is characteristic of South-eastern Asia, particularly Thailand, where it is a very rare surname.
| VARIANT | COUNTRY |
|---|---|
| สุทธวีร์กุล | Thailand |