Family name Аллаер (Аллаер 
, Allaer 
) , across the world, is a rare cognomen. The last name Аллаер is habitual in Belgium, where it is quite a rare surname, Canada, where it is a very rare surname, and Kyrgyzstan. Not in comparison with a country's population, it is commonest in Belgium, Canada, and the United States. Very seldom, Аллаер is the forename as well as the last name.
| VARIANT | COUNTRY |
|---|---|
| Аллаер | Kyrgyzstan, Russia |
| Allaer | Belgium, United States, Canada, France, Brazil |