Last name Mamju (Mamju 
) , in the world, is a very rare family name. The family name Mamju is characteristic of Malaysia, where it is a very rare surname, South Africa, where it is an extremely rare surname, and India. More frequently, Mamju is the forename as well as the last name.
| VARIANT | COUNTRY |
|---|---|
| Mamju | South Africa, Spain, Malaysia, United States, India |