Last name Мумджу (Mumcu 
, Мумджу 
) , around the globe, is a common cognomen. The family name Мумджу is habitual in Belize, where it is quite a common surname, Turkey, and Germany, where it is a rare surname.
| VARIANT | COUNTRY |
|---|---|
| Mumcu | Belgium, Jordan, Germany, Turkey, Belize |
| Мумджу | Russia, Ukraine |