Surname Кайгысыз (Кайгысыз 
) , all around the world, is a very rare family name. The cognomen Кайгысыз is characteristic of Kyrgyzstan, where it is a very rare surname, Kazakhstan, and Russia, where it is an extremely rare surname. Likewise, Кайгысыз is the forename as well as the last name.
| VARIANT | COUNTRY |
|---|---|
| Кайгысыз | Kyrgyzstan, Russia, Kazakhstan |