Family name สุทธิวรวรรณ์ (สุทธิวรวรรณ์ 
) , around the globe, is a very rare surname. The cognomen สุทธิวรวรรณ์ is characteristic of South-eastern Asia, particularly Thailand, where it is a very rare surname.
| VARIANT | COUNTRY |
|---|---|
| สุทธิวรวรรณ์ | Thailand |