Family name ตะวรรณ (ตะวรรณ 
) , all over the world, is a very rare last name. The cognomen ตะวรรณ is habitual in South-eastern Asia, particularly Thailand, where it is a very rare surname. Also, ตะวรรณ is the forename as well as the last name.
| VARIANT | COUNTRY |
|---|---|
| ตะวรรณ | Thailand |