Family name อรรถสุนทร (Attasuntorn 
, อรรถสุนทร , Attamsuntorn ) , all over the world, is a rare last name. The surname อรรถสุนทร is habitual in South-eastern Asia, particularly Thailand, where it is a rare surname. Very seldom, อรรถสุนทร is the forename as well as the last name.
| VARIANT | COUNTRY |
|---|---|
| อรรถสุนทร, Atthamsoonthorn, Attasuntorn, Attamsuntorn | Thailand |