Family name สุนาวรรณ (สุนาวรรณ 
) , throughout the world, is an extremely rare last name. The cognomen สุนาวรรณ is characteristic of South-eastern Asia, particularly Thailand, where it is an extremely rare surname. Predominantly, สุนาวรรณ is the forename as well as the last name.
| VARIANT | COUNTRY |
|---|---|
| สุนาวรรณ | Thailand |