Cognomen Њайыржан (Њайыржан 
) , in the world, is a very rare family name. The surname Њайыржан is habitual in Central Asia, particularly Kazakhstan, where it is a rare surname. More frequently, Њайыржан is the forename as well as the last name.
| VARIANT | COUNTRY |
|---|---|
| Њайыржан | Kazakhstan |