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