Cognomen อัตโต (Atto 
, อัตโต 
) , all around the world, is quite a common family name. The cognomen อัตโต is characteristic of Bolivia, where it is quite a rare surname, Ivory Coast, and Syria. In absolute terms, it most frequently occurs in Indonesia, Ivory Coast, and Bolivia. Likewise, อัตโต is the forename as well as the last name.
| VARIANT | COUNTRY |
|---|---|
| Atto | Ivory Coast, India, Ghana, Indonesia, Bolivia |
| อัตโต | Thailand |