Last name جانجا (Ganga 
, Janja 
, Junga 
) , in the world, is a common cognomen. The last name جانجا is characteristic of the Democratic Republic of the Congo, where it is quite a common surname, Suriname, and Slovenia (explore the name in all countries). In absolute terms, it is commonest in the Democratic Republic of the Congo, India, and Angola. More frequently, جانجا is the forename as well as the last name.
| VARIANT | COUNTRY |
|---|---|
| Ganga | Saudi Arabia, Sri Lanka, Nepal, India, Democratic Republic of the Congo |
| Janja | Croatia, Tanzania, India, Slovenia, Brazil |
| Junga | Saudi Arabia, South Korea, Nepal, Tanzania, India |
| جانجا | Egypt |