Throughout the world, สุนาวรรณ (สุนาวรรณ 
) is a very rare epicene first name. The given name สุนาวรรณ is characteristic of South-eastern Asia, particularly Thailand, where it is a very rare gender-neutral name. Very seldom, สุนาวรรณ is the last name as well as the forename.
| VARIANT | COUNTRY |
|---|---|
| สุนาวรรณ | Thailand |