Family name อรรถวรรณ (อรรถวรรณ 
, Attawan 
) , throughout the world, is a rare last name. The last name อรรถวรรณ is habitual in South-eastern Asia, particularly Thailand, where it is a rare surname, Malaysia, where it is an extremely rare surname, and Philippines. Likewise, อรรถวรรณ is the forename as well as the last name.
| VARIANT | COUNTRY |
|---|---|
| อรรถวรรณ | Thailand |
| Attawan | Thailand, Malaysia, Philippines |