Cognomen Аиур (Aiur 
, Аиур ) , around the globe, is an extremely rare last name. The last name Аиур is characteristic of Spain, where it is a very rare surname, and Brazil, where it is an extremely rare surname. More prevalently, Аиур is the forename as well as the last name.
| VARIANT | COUNTRY |
|---|---|
| Aiur | Brazil, Spain, China, India, Russia |
| Аиур | Russia |