Cognomen ชฎาวรรณ์ (Chadawan 
, ชฎาวรรณ์ ) , in the world, is an extremely rare last name. The cognomen ชฎาวรรณ์ is habitual in South-eastern Asia, particularly Thailand, where it is an extremely rare surname. Much more frequently, ชฎาวรรณ์ is the forename as well as the last name.
| VARIANT | COUNTRY |
|---|---|
| Chadawan | United States, Thailand |
| ชฎาวรรณ์ | Thailand |