Family name Хаятжан (Хаятжан 
) , in all the world, is an extremely rare last name. The cognomen Хаятжан is characteristic of Central Asia, particularly Kyrgyzstan, where it is a very rare surname. More prevalently, Хаятжан is the forename as well as the last name.
| VARIANT | COUNTRY |
|---|---|
| Хаятжан | Kyrgyzstan, Kazakhstan, Russia |