Last name ا. (ا. 
, Eyer 
) , worldwide, is quite a rare family name. The last name ا. is habitual in Western Europe, particularly Switzerland, where it is quite a common surname, Belgium, where it is a rare surname, and France. In absolute terms, it most frequently occurs in the United States, Switzerland, and France. Much less frequently, ا. is the forename as well as the last name.
| VARIANT | COUNTRY |
|---|---|
| ا. | Iraq, Egypt, Yemen, Saudi Arabia |
| Eyer | China, Switzerland, France, Brazil, United States |