Family name Кайркул (Кайркул 
) , in all the world, is an extremely rare last name. The last name Кайркул is habitual in Central Asia, particularly Kyrgyzstan, where it is a very rare surname, and Kazakhstan. More frequently, Кайркул is the forename as well as the last name.
| VARIANT | COUNTRY |
|---|---|
| Кайркул | Kyrgyzstan, Kazakhstan, Russia |