Family name Айсер (Ayser 
, Aiser 
, Айсер 
) , around the world, is quite a rare surname. The family name Айсер is characteristic of North Macedonia, where it is quite a rare surname, Armenia, and Malaysia, where it is a rare surname. Measured by absolute frequency, it is the most numerous in Malaysia, Iraq, and North Macedonia. More prevalently, Айсер is the forename as well as the last name.
| VARIANT | COUNTRY |
|---|---|
| Ayser | Malaysia, Tunisia, Iraq, Egypt, Turkey |
| Aiser | Spain, China, Iraq, United States, Pakistan |
| Айсер | Kazakhstan, Armenia, Kyrgyzstan, Russia, Ukraine |
| Ajser | Switzerland, North Macedonia, United States, Turkey |