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