Cognomen Kudayar (Кудаяр 
, Кудаиар , Kudayar 
) , around the globe, is a rare family name. The surname Kudayar is characteristic of Kyrgyzstan, where it is quite a rare surname, and India, where it is an extremely rare surname. Likewise, Kudayar is the forename as well as the last name.
| VARIANT | COUNTRY |
|---|---|
| Кудаяр | Russia, Kyrgyzstan, Kazakhstan |
| Кудаиар | Russia |
| Kudayar | India |