Cognomen Kayrulla (Кайрулла 
, Каирулла , Kayrulla 
) , in all the world, is a very rare last name. The surname Kayrulla is characteristic of Central Asia, particularly Kyrgyzstan, where it is a very rare surname, and Kazakhstan. Much more prevalently, Kayrulla is the forename as well as the last name.
| VARIANT | COUNTRY |
|---|---|
| Кайрулла | Kazakhstan, Azerbaijan, Russia, Kyrgyzstan |
| Каирулла | Kazakhstan, Russia |
| Kayrulla | India |