Surname Айзер (Eiser 
, Ayzer 
, Aizer 
) , across the world, is quite a rare family name. The family name Айзер is habitual in Germany, where it is quite a rare surname, Estonia, where it is a rare surname, and Australia. In absolute terms, this name is the most popular in Germany, the United States, and Australia. Much less frequently, Айзер is the forename as well as the last name.
| VARIANT | COUNTRY |
|---|---|
| Eiser | Australia, Peru, Germany, United States, China |
| Ayzer | Nicaragua, Peru, India, Turkey |
| Aizer | Tanzania, Canada, Philippines, United States, China |
| Айзер | Kazakhstan, Russia, Ukraine, Kyrgyzstan |