Cognomen Исер (Iser 
, Yser 
, Исер 
) , in the world, is quite a rare surname. The cognomen Исер is characteristic of Israel, where it is quite a rare surname, Austria, and Germany. In absolute terms, it is the most numerous in Germany, the United States, and Brazil. Very seldom, Исер is the forename as well as the last name.
| VARIANT | COUNTRY |
|---|---|
| Iser | Brazil, Cuba, Israel, United States, Germany |
| Yser | China, France, Mexico, United States, Egypt |
| Исер | Russia, Kyrgyzstan |