Family name Джумаз (Джумаз 
) , globally, is a very rare cognomen. The last name Джумаз is habitual in Central Asia, particularly Kyrgyzstan, where it is a rare surname. Also, Джумаз is the forename as well as the last name.
| VARIANT | COUNTRY |
|---|---|
| Джумаз | Russia, Kyrgyzstan, Kazakhstan |