Surname อรรถวิวัฒน์ (อรรถวิวัฒน์ 
, Attwiwat , Atwiwat) , throughout the world, is a very rare last name. The last name อรรถวิวัฒน์ is characteristic of South-eastern Asia, particularly Thailand, where it is a very rare surname. Much less frequently, อรรถวิวัฒน์ is the forename as well as the last name.
| VARIANT | COUNTRY |
|---|---|
| Attwiwat, อรรถวิวัฒน์, Attawiwat | Thailand |