Cognomen วิวรรณ (วิวรรณ 
, Wiwan 
) , across the world, is quite a rare last name. The cognomen วิวรรณ is characteristic of Thailand, where it is quite a rare surname, and Morocco, where it is a rare surname. Also, วิวรรณ is the forename as well as the last name.
| VARIANT | COUNTRY |
|---|---|
| วิวรรณ | Thailand |
| Wiwan | Indonesia, United States, Thailand, Morocco, India |