Cognomen اسر (Asser 
, اسر 
) , in the entire world, is a common family name. The last name اسر is characteristic of Namibia, where it is quite a common surname, Egypt, and Estonia, where it is quite a rare surname. In absolute terms, it is commonest in Egypt, Sudan, and Namibia. Likewise, اسر is the forename as well as the last name.
| VARIANT | COUNTRY |
|---|---|
| Asser | Namibia, China, Saudi Arabia, Egypt, Democratic Republic of the Congo |
| اسر | Saudi Arabia, Sudan, Egypt, Jordan, Iraq |