Surname สุทธาวาศ (สุทธาวาศ 
) , all over the world, is a very rare last name. The surname สุทธาวาศ is characteristic of South-eastern Asia, particularly Thailand, where it is a rare surname. Much less frequently, สุทธาวาศ is the forename as well as the last name.
| VARIANT | COUNTRY |
|---|---|
| สุทธาวาศ | Thailand |