Last name สุทธาวาส (Suttawat 
, สุทธาวาส , Sutthawas ) , across the world, is a rare cognomen. The cognomen สุทธาวาส is habitual in South-eastern Asia, particularly Thailand, where it is a rare surname. Also, สุทธาวาส is the forename as well as the last name.
| VARIANT | COUNTRY |
|---|---|
| Sutthawas, Suttawas, Suttawat, สุทธาวาส | Thailand |
Sootthavas, Sootthawas, Suthawad, Suthawas, Sutsahwat, Sutsawat, Suttathus, Suttavas, Suttavat, Sutthaphiwat, Sutthatang, Sutthavas, Sutthavat, Sutthawart, Sutthawat, Sutthawawan, and Sutthayawat