Cognomen Atechian (Atechian 
) , all over the world, is a very rare last name. The cognomen Atechian is characteristic of France, where it is a very rare surname, Australia, and Argentina, where it is an extremely rare surname. In absolute terms, it is the most numerous in France, Australia, and the United States.
| VARIANT | COUNTRY |
|---|---|
| Atechian | United States, Australia, Argentina, France |